If you have doubts with dating someone new should you still continue dating them?

I was really excited about the guy I’m dating in the beginning. He seemed to be perfect on paper. But as of recently I am having doubts. I don’t feel like he’s being honest. Plus the last time we hung out he was being kind of rude. I understand we don’t really know each other yet. But I’m not sure if I should still see him.
If you have doubts with dating someone new should you still continue dating them?
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