Keep your sanity. Go on a romantic date at least once a month. Use that time with your significant other to reconnect to reality. Trust me, I know how hard it is being a stay at home mom with all your friends working full time jobs. I caught cabin fever like no one's business. All I had to do all day was binge watch Netflix, clean, cook, and take care of Blakely. It's the most rewarding job I've ever had, but the loneliness starts to add up after a while.
You're NOT a bad parent for letting a sitter/family member take care of your baby once or twice a month so you can go out and strengthen your relationship with your significant other. You deserve it. You do everything for everyone else, with no time or privacy to yourself; go get you a nice night of spoiling and relaxation.