What should I do because my girlfriend is pressuring me about marriage?

My girlfriend (36) and I (38) have been together for 7 months, we spend great time together and I really enjoy it. She is someone I want to marry but I think it is too early, she is pressuring me about it. And when I tell her my opinion, she says don't you really love me.

What should I do because my girlfriend is pressuring me about marriage?
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