Advice ?

So last month i did something completely wrong and broke things off with someone I really liked and blamed it on him not knowing how to have sex🤦🏽‍♀️. Ik that’s really bad but at the time I really thought it wasn’t. I think it’s something wrong with me the way i cut him off after not liking someone as much as him in a good 3 years. Now that im messing with a new guy i just compares him all the time and I just feel like I would never like him like i did the last one but ik he’s gonna be really good in bed. It’s like I’ve been saying I really want someone good in bed but now that i have it I want someone I really like and idk what to do with both the situations.