I got divorced when my son was 4. Now he is 10. his father has remarried and sees him roughly every other weekend. I am about to get remarried and my fiance, son and I all live about 20 minutes away from his dad.
When I got divorced, we used a mediator to set up all the arrangements for our son, as far as visitation.,etc. The one piece of advice she gave that has always stayed with me is this:
Your marriage has failed. But that does not mean you have to be failures as PARENTS.
Set up a firm schedule for weekends, holidays, etc. ahead of time. It will be a LIFESAVER later on. It may not work perfectly, but if you have a system everyone has to follow, then it makes it much easier.
As far as school events, etc. we have the rule that everyone MUST be polite. We are not always all perfectly happy with one another, but we are accustomed to the system now, and can smile and be gracious at school events, soccer games, etc.
It's hard though- like many divorced dads, my ex started out being very gung-ho and coming to everything. But gradually it sort of faded out and now he is much less involved in my son's day to day stuff. This year was the first he didn't attend ANY parent/teacher conferences at all. he asks to see report cards, etc. but that was it.
When my son was younger, I made sure to inform his dad of ALL school events, made sure conferences were scheduled so he could come, etc. But you know what? He is a grown man with a wife of his own. He owns a computer and a phone and has access to all the info about the school that I do.
I just finally had to make a decision to stop facilitating him and NOT to be his personal secretary where our son was concerned. That may sound mean, but it made my life much much simpler and I just really felt like I was ready to stop 'covering' for him all the time.
I never trash talk about him in front of our son- another rule we have both stuck to pretty well. But - as our son gets older and his step father picks up the ball more and more when his dad bails out, he sees for himself how things are- no need to rub it in. But I am not going to be his dad's 'enabler' any more either.
For birthday parties- again, we started out saying we would each do the party every other year. All relatives from BOTH sides of the family would be invited, provided everyone was polite (they all are).
This lasted for about 2 years. After that, when it was my ex's turn, he completely didn't do anything and I was scrambling at the last minute to just take my son and some friends bowling and get a cake, etc.
Ever since then he has never helped with a party, or come to one. he says they go to his mom's condo for a 'family' party and that seems to be all he wants to do. So my fiance and I or my mom and I do the party every year now. Again, we didn't plan it this way, but that's how it worked out.
I actually have a better relationship with my former MIL and SIL now than when I was married. After the divorce I made a serious effort to keep my son involved in their lives because I knew they love him. They really appreciated this -especially since my ex really didn't do anything at all about it.
My former MIL is actually coming to my new wedding next month, lol! She really likes my finace a lot and gets along with my parents and really wants to see her grandson in a tux! So I said 'Why not?' we're still family- just different!
So if you have a decent relationship with your MIL or other relatives of your ex- try and keep it that way! Be pleasant and unless you have a specific reason for bad feelings, send those school pictures and make it clear that you know they still love your kids and you want them to still be involved! It will be the best thing for your kids and you may find that they will be good allies in the days to come when you need help.
Many dads start out really almost over-doing it. my fiance calls it 'putting on the Dad Show' when my ex shows up at some event like the Science Fair and glad-hands everyone when he hasn't actually been involved at all in the project or whatever.
Yes, it is MADDENING to see him going around taking credit etc. - but sigh, in the end, we just grit our teeth. It makes my son feel good when his dad shows up for stuff. And the teachers, other parents who we see all the time, etc. all actually know who has been putting in the hours, lol! But I agree- it is really frustrating. Just smile and do what is best for your kids.
But gradually, especially if your ex remarries, his focus changes and he has less time, money and energy to spend. I don't want to be mean, but that does seem to be how it works.
I like my ex's new wife, but their relationship with my son is sort of like an aunt and uncle he sees a couple times a month and for a week in the summer. He loves them and I trust them to take good care of him, keep him safe, etc. But OUR house is HOME for our son and my fiance is taking on more and more of the 'dad' stuff every year. He loves my son and is happy to do it, so I am very lucky.
Honestly though, it sort of makes it easier for me. Lol, sometimes I wish my ex would just move far away and keep sending the child support checks! I know that sounds mean, but we do just fine with his limited input into our lives and my son seems to have adjusted to it, partly because of my fiance and already having other good male role models.
Hang in there- things will get easier!! This early stuff is hard and it will keep evolving- just remember, don't trash talk in front of the kids, focus on YOUR relationship with your kids and not on what used to be your relationship with your ex- and make sure you have ALL your custody and support arrangements legally written in stone!!