I get bad cramps, like the can't stand up, sit, lie down, talk, or breathe kind (hallelujah for Aleve), cravings for grilled red meat or weird stuff like pineapple juice?! lol and fruit mostly. A little bit of bloat but not bad. And I'm not keeping track counting days or anything so the only way I know TOM is ahead is by those feelings and they never go wrong.
Can't really say that's just in my mind..
I heard what happens is in our most fertile days we become more attractive, healthy looking, extracting all these happy hormones and things to 'attract a mate' - so it's like we're getting high on that awesomeness for a few days and then when the egg dies and all that subsides, we fall into a hormone hole which is why some women get moody.
Cravings are just resupplying the body with the nutrients that whole process took. Makes perfect sense to me at least LOL