My girlfriend and I have been together for a little under a year and the time we spent together has been amazing and unforgettable. I love her so incredibly much and I look forward to spending many years with her.

But i have this issue with my self and i'm afraid that if I don't do anything about it, it will harm our relationship in long run. Whenever she tells me "This guy is giving me a ride home," or "I'm hanging out with some of my guy friends," I get jealous.

What do I do to prevent future issues with my jealousy?