If you believe that your relationship with your boyfriend/girlfriend is going well, then you are a lucky one. But, still, there might be some signs of insecurities in a corner that you are not noticing them.
However with the time, most of us learn the difference between a bad relationship that's heading nowhere and a good relationship that has some real potential.
Here are some absolute signs which you shouldn't be ignoring.
And she doesn't understand this and seeks explanation each time you prioritize your choice.