I think it is VERY important that you do take the opportunity to get out without your baby sometimes and let someone else give him a bottle. Yes, the baby is going to resist in the beginning, but it's best for all of you if you keep trying. I am a SAHM and almost always nurse, but I always have pumped breast milk stored in the freezer so my husband can give a bottle if needed.
It is best for your husband to give the bottle when you are out of the house. That way, your baby can't see, hear or smell you and you won't be able to swoop in to the rescue if he is crying too much. Remember, if he absolutely refuses the bottle, one missed meal won't hurt your baby, assuming he's at least a few weeks old and growing well. Make sure your husband heats it up before giving it to him so it's close to it's regular temperature. You could even pump right before and give him fresh milk that has never been refrigerated or frozen.
Also, sometimes it helps to try different bottles or nipples with a faster or slower flow. Some babies need to try 2, 3, or even 4 different bottles/nipples before finding one they like.
It is definitely not harsh to occasionally give the baby a bottle. You need a break, your husband needs the closeness, and your baby needs to be flexible just in case something happens where you can't nurse for some reason. It is truly a win-win for everyone, especially if you are able to pump the milk and don't have to bother with formula. Do not feel guilty!!!!
Good luck!
K.
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