As Family Mat-ters said, the right one will think it's awesome. I train, my partner doesn't. My wife and I dated while training at the same gym and we're now married. I've known a couple teamates at Judo who've dated and broken up resulting in both of them not training anymore. But if you can embrace her passion as strongly as you embrace her, you might just have a chance at something truly special. If both of you can be mature about the relationship it will be fine.
But that's the point, a lot of relationships do turn sour.
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Please enter your name here. I absolutely see truth in most of what is said be it was a bit exaggerated for dramatization purposes. That makes me feel so at ease to see her handling the bigger men. However like I said. If you make her choose between you and them, you will get laughed right out of her life. Less to explain, less awkwardness.