you are Walkers girlfriend, and he tried to keep you private from his fame life you are a little naive but not stupid, but he tried to keep you from the interviewers and fans

One day while he was at an interview you were in his dressing room when you got bored so you texted him

I'm boredddd

He laughed slightly as he read the text

Interviewer: "whos that?"

The interviewer asked and without thinking Walker replied with

Walker:"my girlfriend"

some people booed and some cheered