Should I just submit to my girlfriend?

my girlfriend and I live together for almost a year. She lifts and works. Is stronger than me, has graduated and I didn't, I suffer from anxiety while she is a strong and confident woman so everything we do is up to her. It sounds weird but it works.

It bugs me that she is just better than me in everything (most women nowadays especially in America are more performant than their male SO anyway). I told her about it and she said it doesn't matter because I'm her eye candy and simply because I'm male with penis as well (just to imply she is heterosexual) so it just came naturally for her to have me in her life.

Should I just accept my status and make her life easier by just everything she tells me?
Should I just submit to my girlfriend?
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