I'm 16. this wasn't always the case. started one or so months ago. I masturbate around 3-5 times a week. since 1 week I have stopped and I plan to keep it this way for a long time. It also pains if I flex my muscles down there. I think this could be because of the clothing.I just don't know I how tackle this problem. No matter what I wear when I'm in public my erection is always forced downwards by my jeans and underwear ( the jeans sure aren't tight they are a handmedown from my older brother ).sometimes when I'm erect I feel this sensation that bubbly fluid is popping near the base.