Popular.
That's what he was. Apollo, he always had someone in his bed. Men, women, and anyone in between. Anyone who he desired.
Sometimes, he'd have a full relationship, or at least try to. He'd fall in genuine love sometimes but somehow it never worked out. This never discouraged him though. Always finding someone else.
That someone else never being you.
He was an extremely popular and well known God. He probably didn't even know you existed. You felt invisible to him. Given the fact that you have tried to approach him a few times. But is always seemed something else caught his attention.
With the amount of lovers he has and had, you're bound to be looked over. Especially since he always had multiple people wanting his attention. Whether that be his own family for business. Or some possible lovers.
You just didn't seem to stand out to him. You'd have to make yourself standout somehow.