Can a marriage between a guy in his 20's and a woman in her 40's work?

I'm in my 20's and my girlfriend is in her 40's, we've been dating for 4 years and I feel I wanna take things to the next step, and she's indicated that she feels the same way. Can an age gap like that work in a marriage?

Can a marriage between a guy in his 20's and a woman in her 40's work?
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