What does it mean when a guy sends you a heart ❤️ emoji?

He will send me it when we are saying goodbye or that he has to go etc or sometimes he will just send it. Is he interested? He will tell me that he has not seen me in ages and it sucks. I like him but has no idea if he likes me back someone help?

What does it mean when a guy sends you a heart ❤️ emoji?
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