What does it mean if a guy tells you your lovable?

Answer 1

It means he likes you. He might even fancy you, but you'll need to ask him in order to find out about that.

Answer 2

When a guy tells you that you're lovable, it likely means that he finds you charming, endearing, and someone he cares about deeply. He may feel a strong emotional connection with you and appreciates your positive qualities that make you easy to love.