I have no motivation to flirt with anyone?

My boyfriend of 2 years cheated on me we’ve been broken up for about 3 months. I started to talk with a few guys i found attractive. I am not looking for a relationship and i feel so tired and drained for one right now. This guy wanted to meet up with me for a while but i kept on bailing on him. I feel like I have no motivation to talk to any guys or hangout rights now. I dont know why this could be happening he is a really nice guy i would totally give him a chance but I feel guilty for being like this because it seems like i am missing a nice guy because i have no motivation. What should i do?
I have no motivation to flirt with anyone?
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