He combines athleticism with intelligence, being a Science Whiz, especially when it comes to Chemistry. He's so advanced to the rest of his class that...he's allowed to conduct his own experiments.One day he's playing "Mad Scientist", as he likes to call it when doing his own experiments, Stuart decides that he needs more chemicals and heads for the storage cabinet. As he has a brilliant mind, he is absent minded and so engrossed in what he's doing that he fails to notice the small pool of liquid. And I put the head in my mouth nd suck with all my might. I pull away and make a popping sound. After that i rub the bottom of his cock with my tongue. I let my tongue rub all the way down his shaft to his balls, I lick his balls slightly and rub it back up his cock to his head. I let the head go back into my mouth. It was so warm and filled my mouth completely. I moaned again."You like sucking that cock" He saidI didn't say anything, just began bobbing my head on his cock, I couldn't get but. He was stroking his self rapidly and from the look on his face I knew he was about to cum.So enveloped he was in his ecstasy that he didn’t even acknowledge my presence.And then it happened;his hips arched up off the bed and he let out a very sexy moan as his cum squirted out of his cock and landed on the floor at my feet.He continued ejaculating until a saw him stop moving his hand and his face and breathing return to normal.I was speechless…I mean I just saw my brother cum for god’s. I kind of, well, yeah, okay.’ Silver-tongued devil. Try to suppress your enthusiasm, why don’t you? ‘I asked, my treat.’ ‘That’s, I don’t know. Aren’t I supposed to, uh?’ He couldn’t seem to find any word to follow ‘uh’. Had English suddenly become a second language for him? ‘Look, I asked. I have enough money that I won’t feel it, and I want to do something nice as well as spend the time with you.’ Holy shit! I was being sincere. It came out before I had a chance to spin it. ‘All right. What.