What can I do if I am now not sure about a guy that I had been going on dates and want to take a rest to see if there any feelings?

I am not sure about having feelings but I only seem to be a bit attracted to one guy but not very much. I am not sure about what red flags are. I used to get attracted to guys through college. My value is trustworthy and common, respectful, kind, know what is different from right to wrong. Is wasn't always like that.
What can I do if I am now not sure about a guy that I had been going on dates and want to take a rest to see if there any feelings?
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