How do y’all deal ?

How do y’all deal with ttc over and over again and not getting pregnant. My hubby and I havent been using protection since May (after I got a normal period again due to getting off depo) but we have been tracking days and taking vitamins, etc only since November. I know it’s some women who have been trying longer, so I don’t mean to sound insensitive. I’m just discouraged. It’s like everyone around me is getting pregnant... except for me. I already have a 3 year old, who isn’t biologically my husbands... but we want another one. How do y’all stay so positive? Any encouragement would help or anyone conceive after depo?