Why would dudes discuss this or how would you know this?
We get a hotel room when I was 16 and GF started almost immediately after opening the door....had to run to gas station to get tampons b/c neither she or her friend had any. A month later when we FINALLY got to have sex she started during sex. I could go on and on....this stuff doesn't bother me at all.
Maybe she is just spotting alot