Why do I always think my future girlfriend will cheat? What's going on here? There is no reason. I thought of this inexplicably (I am single now, no

First of all, you should have confidence in yourself. Second, you should have confidence in your future girlfriend. Feelings are based on mutual trust, so that they can go on for a long time. It is true that you have this idea. Now many people will doubt it. Because of the influence of current social atmosphere, mutual trust is extremely precious! It's only temporary that you have this idea now. Don't worry, it will be gone soon.