My high school PE Class started the other day and the teacher just told that all we have to do is change into gym clothes that we bring and participate. That's fine, but being a teenager, I get a lot of unexpected erections, especially since there are a lot girls in my gym class (I can't help it when I look at them, I get hard). I can hide them in normal clothes, but how can I hide or stop it in gym clothes? My gym clothes are usually a t-shirt and Nike basketball shorts. The worse part is I have P.E. first period, and I almost always have a erection around 8:30, even though I wake up before school with morning wood in my boxers too. It's just kind of on a cycle, and 8:30 one of the times when it just happens? So, how can I hide it if it happens? I usually wear boxers under my gym shorts and I've tried jerking off before leaving for school, but it doesn't help, I still get an erection in gym. Any suggestions?