Man, I'm sick of you guys who have sex with that kind of girls. Stop empowering such idiots. What do you call a guy who tells his gf that she's fat or she needs a serious nose job or something out of the blue? not to mention during sex?
Man, 6.5 isn't small, it's above average, if she wants a horse dick then let her get one. You deserve better.
The problem with men is that we have a weak tie together when it comes to appearances, when a man's appearance is critisized it's ok, if he goes to talk to his male friends they make fun of him. If you do the same for a women, guess what happens?
For example my ex had no problem telling me I'm over-weight our first week out, now do I dare even imply that she might just need to go easier on eating fast food? NO...
I've just had enough of that shit. You're not even small, Next time just shove it up her ass or just cum (preferably on her face or her furniture), go grab a drink from her fridge and leave. She would've have no problem breaking the most expensive thing in your place if you said anything like that to her, not even during sex.
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