Opinion on a 22m and 16f?

22m works with and is friends with a 16yr girl.
He has a crush on her, and she has a crush on him. They’ve hung out alone once, but nothing intimate has happened.

Can I get your moral opinions on this please?
(Age of consent here is 16, please only give opinions I’m not asking what’s legal)
Opinion on a 22m and 16f?
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