How to tell if people are joking if they confess to you?

Whenever I’ve been on calls with some of my friend’s friends, we sometimes have a deep conversation while off of calls and talk about topics we both find interesting. In most cases we just get on good and never really start to be friends, but all of the men that seem to want to have a good friendship with me ask me sometime later if they ‘like’ me. I was never sure how to answer this question in the past, so I just said we’d get along as good friends. All the (few) times that has happened, we never seemed to keep in touch. I’m not attractive, ( well, nobody has told me their opinion on my appearance, so…) and they have all seen me in real life as well. Are they joking with me or are they serious? Is there any way to tell so over text? Thank you for reading!!

How to tell if people are joking if they confess to you?
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