Sue nailed it. When you're with a fine specimen like him, it's hard to resist getting carried away. He's just the ultimate experience so yiu want to enjoy him as much as possible.
Dude, I'm very straight but if that hunk of black meat were in front of me I would turn into the most submissive little faggot bitchboy and suck him off for hours as he blows his load all in my mouth. I'm not gay though...