Other forms will say "Babies come out of the vagina and it snaps back, so why would a penis have any effect?" or "She could have sex with a porn star the night before and you wouldn't be able to tell".

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But, I always feel RP has sharp minds, doubly so when it comes to females so I'm asking here.

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GF (26, 110lbs with C tits, bit of a "butt-er-face" but a great fuck) stays with me Fri-Sunday. Mon-Thurs we both work, she goes home after work, general texting and a phone call or two during that time but mostly being forced to trust without the "verify".

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So I'm basically asking if I should just completely let this go or put on my detective cap:

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- There's been a pattern of her coming over on Friday's and being "looser" than the rest of the weekend. As in, no resistance, it just slides right in, bottom out no problem.

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- Fast forward to Sunday, even after us having sex multiple times by then and that V is much tighter and takes some work/patience to get inside fully.

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This is a ongoing pattern for months now. Could it be, she's so turned on from not seeing me for 4 days? I guess, but wouldn't the counter argument be she'd be really tight from not seeing me for 4 days?

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So... TL:DR:

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If you have a average dick, and a girl bangs a guy with a bigger dick the night before, could you tell? Would her being "loose"/no resistance on a Friday after not banging her for 4 days be a sign...?