How can I learn to not get so attached to a new person I’m dating?

I don’t know how to date without getting too attached. It’s only been 5 dates but I would like to take it to the next step with him (exclusive). I know this is very early, and he’s pretty shy/introverted so I have a feeling he is not on the same level yet. Not saying he doesn’t like me, just taking things slower. I’m just worried my over attached personality will be a turn off for him. I want to learn to not get so attached to people so quickly.
How can I learn to not get so attached to a new person I’m dating?
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