I got a fat guy’s chubby girlfriend to cheat with me [M/F]

I’m pretty fucked up, I enjoy doing stuff with girls that have boyfriends. I don’t want their boyfriend to be hurt though, so I don’t flaunt that I did it, or let him find out. I just get off by putting myself in his shoes when I’m with his girl, thinking about how I’d feel if I was him. It’s basically a way to fulfill my third person cuckold fetish.

I’m a fairly average guy, not fat and not skinny. I am in my late 20s, about 5”9, white, with a 6 inch dick, and almost 6 inches in circumference. I wouldn’t say I’m universally attractive by any means, but I’m attractive enough by being fit that I’m able to easily get about 80% of chubby girls, which I just so happen to be into. It’s even easier for me to get chubby girls with chubby boyfriends, because they have low self-esteem and think the guy they’re with is the best they can get. I have had a few experiences which I might post about later, but the hottest and most detailed was Katie.