My crush wished me a happy Valentine's day?

Anonymous

I have a crush on a guy at work and I'm sure he knows I'm interested in him I've dropped plenty of hints. He even matched with me on tinder in the past. He sent me a friend request on Facebook and sometimes messages me on there. I've been quiet for a few days but then out of the blue on Valentine's day he messaged me "happy Valentine's day ☺ x" now I don't know if he's just being polite or if he likes me? Every time he says anything to me it messes with my head and I'd rather just block him on Facebook but I can't because I work with him and he's friends with my best female friend at work so I can't be rude to him. Why would he act like this? Also he's not quite over his ex girlfriend apparently and he keeps talking about not wanting to get hurt again.

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+1 y
Just to add also my female friend is not competition as she has a boyfriend and has been friends with him for 10 years.
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+1 y
And also I want him to like me obviously because he's my crush but if he's just being polite I wish he'd just leave me to get over him.
My crush wished me a happy Valentine's day?
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