I am disgusted with the fact I am bigger than my fiance (fat)!

OK so this medication blew me up 55lbs. I weigh 30lbs more than my fiance and it's completely disgusting. I had an amaZing body. nice slim but fit. I still workout 5-6 days a week and meal prep but the weight remains. I read online many people have had the same side effect. I can't go on being this big. it is gross. I don't know what else to do. I'd rather my fiance be shorter than me than weigh less than me. ita not only that but most importantly it's unhealthy and I look like shit. I avoid pics and mirrors. I am literally ashamed to be seen in public with him because I am currently so gross. what do I do?