Most people remember their first love, whether it was a positive experience, or a horrible one, a fleeting or a lasting one.
Does it affect the way you now feel about men, or women, if you are gay/bi or male, or if it was horrible, have you managed to move on unscathed?
YANBU....My heart was broken, but I got over it with no lasting ill effects.
YABU....It's put me off trusting anyone else....ever again.