I can’t stop moaning as my cousin sticks my cock in his mouth.

My cousin and i are on vacation at friends' house. i am alone in the house and with a good warmth i jerk off on the garden terrace. the last thing i expected is for my cousin to return prematurely and when he saw my cock he offered to give me a blowjob. how to continue like this, i'm going to run right away. i can't stop moaning when i notice how he licks me whole.