Guy's Behavior

If you're crush says "anytime" after you say thank you does it mean anything? What does "anytime" really mean?

He' a mechanic and helped me out yet again and I have a huge crush on him anyways upon saying bye he told me he put my papers in my car and I said thank you! And then said it again and he said "no problem anytime see you later"

I said see you later first:) he works next to my workplace
If you're crush says "anytime" after you say thank you does it mean anything? What does "anytime" really mean?
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