What do contractions feel like?

Kelly
So I'm getting close. The countdown begins. 6 more weeks to go. I'm kinda nervous I'm not gonna know what it feels like to go into labor.  What if I don't know my water breaks and I just think it's just more discharge or pee!?  What if I mistake something for being a contraction and it's not!!  For those women who have had labor pains. Can u give me any helpful hints to figure this whole thing out!?