I do not know which of the two put it hard in the ass more time

I'm dating a gay black guy with whom I'm always competing; We play basketball, tennis, we go to the gym together ... We are always there with the pique to see who makes the best mark, and then when we get the outburst of passion we also end up competing in bed, to see who fucks the most hard and fast in the ass, none of us like to always adopt the same role, we always want to be the one who wet, but at the least careless ...