[hocus pocus]

As mentioned before, you shouldn't feel tampons at all. If they're too large or not put in far enough, you can feel them. When you insert a tampon, you can squat or put one foot up on the toilet. You're supposed to hold it with your thumb and index finger - where that grip is - and it until your fingers touch the outside of your body. Once that happens, you can push the plunger. Also, remember to relax because there is a muscle that will become too tense if you're nervous.

Gentle glide tampons are good, as well as Always Infinity pads. The best way to deal with pain is mediation, although in some people it just has to run it's course. Heating pads are usually quite helpful as well. I'm going to link this thread which shows other ways to relieve period pains.