What does it mean when a guy calls a girl my love?

He keeps calling me "my love", or "my heart", but never actually talks about his feelings. He uses this words in almost every sentence. For exemple if I ask him if he did something, he never says yes or no, but "yes my love". Do you guys think that my love is just a pet name, or is it the same thing as I love you? Thanks! :)
What does it mean when a guy calls a girl my love?
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