She is like 2 inches taller than me. Should this be an issue?

My girlfriend and I have been dating for a while. She is like 2 inches taller than me. Today we were playing, and she took my glasses off. I then was reaching to get it back, but she held it away from me. Then when we were in my room kissing, she said she's taller than me and she could just hold her hands up and I have to jump to get my glasses. She said that's what she does with her little brother. When I was walking her to the car and kiss her. She said that she will be wearing heels tomorrow to dinner. I don't know what to make of this. I know she was joking, but geez.
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Oh yeah she was putting my glasses on her head as a headband because my glasses are to strong for her. She said I have a big head because the glasses almost fail off her head ( I do have a big head though). I know she is joking, but I got a little insecure.
She is like 2 inches taller than me. Should this be an issue?
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