Too soon for a relationship?

I've been dating a guy for 4 wks and he asked me to be his girlfriend. I said yes because I like him but I don’t feel like I’m in a relationship with him (it’s been a week since he asked me). I was a bit surprised he asked and I feel like maybe it was too soon. I haven’t been in a relationship in a few years and had just started dating. I don't know what to do, help lol
Too soon for a relationship?
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