Feeling emasculated and off?

I have been below weight for a long time now. I couldn't break 100 and then I finally got up to 118 and almost 120.
I joined wrestling and my coach had me go down to be his 106 pounder. I'm 16, a sophomore, and most junior highers are heavier than me :(
My GF weighs more than me, and I just dont feel very masculine. I'm building a lot more muscle, and I'm stronger, but I hate always feeling like the little guy.
How can i get through the rest of the season?
Feeling emasculated and off?
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