Is it true love or let go

I was with a man for about 6 years- we are no longer together. He has happily moved on and starting a new life with someone else, they live together and probably starting a family soon.

It has been 2 years since we broke up.

I have always thought he was soul mate, even the first day i met him i fell in love with him. It has been two years my heart has not moved although i do press it down ALOT, all the time. How do you get away from this feeling? Are my feelings true or am i just a nostalgic person?

I just remembered it is his birthday today maybe thats why he was on my mind.