I hope you are joking! If not you are a stupid fuck for saying something like that. If he needs to man up then so do most other combat sport athletes. There are very few fighters that fight at their "natural" weight. I am very strong and very fast at 180-185 LBS, the problem is that I am 5 foot fucking 7 inches tall and that is a stretch. Grappling and fighting against guys that are 6'1+ and 185lbs is a bear for me (much harder fighting than grappling). Lets not mention if I am in a tournament at 195,which is considered heavyweight, I am fucked mostly because I am short. I bet you don't train.
Maybe you should cut some fat. Zane was only a couple inches taller than you and also weighed 185. Those 6'1 guys are probably very lean.