Learning my friend his foreskin after swimming

Sorry for bad English.
 

Jake.  Is sitting in a class and to his surprise a picture of almost naked boy and girl on the screen the class goes over puberty and STDs and birth control. The kids all walk out joking. 

A couple weeks go by and Jake never know a lot about sex. that weekend he and his friend Jamison are in his room changing after going Jamision drops swimming trunks he see friend penis and to his surprised it uncircumcised and he asks if they what to compare there penis the boys nervous but go ahead. Jake drops swimming trunks showing his flaccid penis. Jamison, who is also 14 also looking at him  both boys are naked Jamision Uncircumcised penis hang down he has a bit more hair then Jake . Jake penis is hanging down to.  Jake penis is circumcised and Jake ask what uncircumcised penis looks like with erection something he never seen he seen uncircumcised with erection he seen uncircumcised penis peeing next to him at School. So then both boys start to rub & masturbate their penis to get an erection . His friend penis get erection first it is  is bigger than him it about 5 Inches and pointing more out and you can see the foreskin pull back Jake is about 4.3 inches with erection pointing straight up.  Is they are looking Jake can see the large dark purple head of Jamison penis just past the foreskin and Jamison ask if they can touch each other they start to touch each other. The boys hear his Mother coming. The boy's just all most get there underwear up when the door open. They both super embarrassed setting on the bed naked. She look for less than a min and excuses herself and closes the door. The boys are so hard and can't not finish so they start stroking there penis To Jake's surprise when Jamison finishes he ejaculates about 3 long shoots of semen about 2 ½ tablespoon full on to the floor Jake wish he get better look at the foreskin moving but they where side by side setting on the bed  and all happened quick. He finished looking at  his friend penis dripping with semen. He shoots his 1 tablespoon load. They clean up and go down stairs.his mother said nothing