You are Miles' girlfriend, so you know his secret identity, but he was so focused on saving the world, getting together with other people with the same powers and saving worlds with them made you feel spare

you wanted to be like them, but there was no way, you were only human

Kingpin your father take the opportunity and he manipulated you with a nechlace, you put it on and you lost yourself, it wasn't you, the necklace is evil and now you're Kingpin's toy