how do you workout with a 2 month old!!! I can't even get thru a full workout without having to stop…

how do you workout with a 2 month old!!! I can't even get thru a full workout without having to stop and console her because she crying, more and you I feed, change and burp her before I even start to make sure she's good, put her to sleep and she ends up waking up and crying. idk what to do. I tried the exercise with baby videos on YouTube but she doesn't have full control of her neck yet so Im very limited on what I can to. I'm just sad. 15lbs to lose until I'm back to my pre pregnancy weight and I no I could lose it no problem with enough exercise. I just feel like a fatty