If he's flirting heavily does it mean he wants a relationship?

I just want to know if a guy is flirting a lot find you attractive calls you cute or cutie or love regularly and enjoys spending time with you.. how can you know if he has any serious intentions? How can I test that? I don't want to be too forward but I would like if he was my boyfriend

If he's flirting heavily does it mean he wants a relationship?
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