What are ways to move on from someone you like?

WeI liked this colleague of mine for almost one year. I have been trying to not to like anyone after getting getting hurt badly from my college crush. But this colleague always was there for me and healed me completely but I have fallen for him. Though he shows the sign of reciprocating my feelings but it leaves me confused. I also don't want to hope that he will reciprocate my feelings because I fear I might go back to my past. Sadly, he told other colleagues that he has girlfriend but didn't reveal who is it. Since he has someone he likes, I want to move on. So is there any tips to move on?

What are ways to move on from someone you like?
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