<human>: My girlfriend told me she was thinking about us. And she likes who I am but apparently I'm not the type of guy she pictured herself being with at her age. She thought she would be with a guy more "Sophisticated and mature." Pretty much calling me a kid. But she said she was willing to look past my faults and help me grow.

 I'm a playful guy, and I like to joke around. I don't do it in a tasteless way, I just like doing fun things with her in public. I'll swing her arm, make jokes with sales associates when we shop ("Hey, do you think this bra is nice on me?). She said it's embarrassing to her and she wants to care about her image. Which caught me off guard considering, she's the one who wants to make out in the middle of the street when we say bye to each other.

I'm not a couch potato. I'm in school, work, and train as an athlete. I live on my own. And I work hard. But when I'm with her, I want to be myself - Happy, playful, and carefree. 

Hearing that comment really hurt me. Am I not the type of guy who she really wants? She couldn't have told me 7 months ago? I honestly thought she enjoyed it, because she laughed along too and never said anything. I told her this is who I am, if you don't like it I'm sorry, but I'm not going to change who I am. She said "I'm going to try to look past this because it's such a small thing."

I think she has gotten over the comments. But all I can do is think about that comment. It's eating me up right now. Am I over thinking it?

Provide a brief overview of the text.
<bot>: Girlfriend said she pictured herself with a man more mature than I at her age. Kind of hurt me. Am I overthinking the comment?