Meth effects of erection and ejaculation?

I enjoy watching really dirty porn where the guys do rerally dirty sexual acts to make them cum. I also love to masturbate and do some of those acts myself to get as much sexual pleasure can as i jack off watching porn and trying all he diffrent sexual acts he does to make my penis feel like his and blow as many times as can. I like to do it with my old school friend who likes get naked, watch porn and do those dirty seual acts with me and jack off for 6 to 12 hrs or longer if we get into it. after we finish we share a shower out in the back yeard. the teen nextdoor likes to watch so if we see him we let him look at our hard penises as he likes looking at them. my mate likes to hold my penis as i have the first piss after the jacking off session and yes it feels like a long orgasum when i piss almost making me cum again. he shakes my penis for me and i them hold his longer "10 penis as he pisses. we both like how it feels like your cumming when we piss too. we let the 16yr boy next door come over and hold them for us now and then and he has even joined me for a session of jacking off and has tried meth before we masturbate and he likes it a lot and had wanked with me for 6 plus hours before and said he feels like he is cumming as he pisses like us. as soon as he takes t he wants to give me a ha****b and watch me cum before we have our session. he says that on meth he feels turned on and sexually curious and likes to jack me off and try sexual acts that he wouldnt do stright