Should I listen to my friend or do what I want?

My friend said Tbh I don't know why you’re even bothering him tho like your way young. Do you think he’s gonna want you be with you? Grown men don’t want younger. Like he’s almost 40 he’s not gonna want a relationship with a young girl. Just saying like do what you want but it’s facts I’m 18 and my ex friend is 36 and plus I wanted to be friends and not be in a relationship with him and I’m not to sure if I should send him a friend request since we ended on really bad terms I should probably leave it alone I don’t know what to do
Should I listen to my friend or do what I want?
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