[Ryan from Ontario]

I don't know what category this falls under but here it goes.
I was with my girlfriend for about 2 years happy and in love with each other. After a while in the summer she seemed to drift away from me no matter how hard i tried to pull her back. In September she said she wanted to go on a break but that she still loves me and promises we will be together in the future.

Now i thought to myself maybe she just needs her own personal space but i found out that during the summer she made a new friend who came over on a student visa, this friend started hanging out with her more often in September. He is at her house for hours and is called over when her mom is gone too. She assures me that nothing is going on and that she loves me and still needs me in her life but just cant be with anyone right now.

There is no actual evidence but all my friends say "the break" is just a way to legitimize cheating with someone and that she is probably just fooling around with this guy before he goes back out of the country and that i have become the backup guy for when she is alone again.

Nothing adds up. Am i paranoid, overreacting, jealous; or am i really being put on hold as an emergency rebound for when she decides shes done playing around with this other guy?