Partner never wants it....

Am I the only one, cause I’m feeling pretty lonely lately! My partner never wants to have sex...like EVER! I have to ask or make the first move always. We are also trying to make a baby, or it would seem to just be me that really wants it...I’m now on fertility meds which have horrible side effects (but I’m sucking them up for the greater good). I politely remind him of my ovulation window (I even send him a screenshot of it, so he has his own copy)...he had surgery in February after we found out that some of our issues was related to him. I don’t think he would have gone that far if he really didn’t want a child, but each month his actions speak volumes....I have tried everything! Is it me? I know I’ve gained weight...we’ve been together 14 years ( things are bound to look different)...it hasn’t always been like this either...the first 7 years we were crazy about each other. I’m just lost! 😔