First time mama

My baby is going on 4 months, and we have had our ups and our downs. Ever since I’ve had him I’ve always wondered why.. why I decided to have him as it changed your whole life.. not in the bad way but it’s so hard to get use to this teen mom change or any first time mom. you can’t do anything you usually would do, meaning let’s just sit down n binge watch Netflix, or take naps, or make out, or do anything together until night time. Which stresses me out to the max. I think about all the things I shouldn’t think about (adoption) as I love my baby to death! I wouldn’t ever be able to give up my baby, but everyday I think about all of the things we can’t do anymore or not atleast until he’s older. Do you guys think this is “normal” thoughts or am I being very stupid..