What do you do if your girlfriend gets jealous easily? It's killing me inside and I don't know what to do please help me.

Tell her adios and move on. She has no right to try and manipulate and control you wioth her jealousy.

Jealousy is an insecurity on her part. You will have to make the decision on whether your feelings for her are strong enough to put up with her behavior or cut her loose and find someone who doesn't have the same issue.

Jealosy can rip the best relationships apart, and its not your problem, its hers, so leave her alone, and let her deal with it.