1. She may perceive you as a boyfriend material thus she wants you to get emotionally involved first. She is saying: If you wait long enough you will get rewarded by great sex. Or dumped like a loser, you just never know... Keep pushing till you get laid, or dumped...
2. She may not be interested much but she is nice about it. By expressing the "your going to have to wait" she's offering you really nice rejection, saying "It's not gonna happen even in months, either wait in an orbit till I get tired or move on". Well, move on...
3. You may appear too eager, thus she puts her breaks on. She likes you but hasn't made her mind about you yet. Keep pushing but slow down...
2. She may not be interested much but she is nice about it. By expressing the "your going to have to wait" she's offering you really nice rejection, saying "It's not gonna happen even in months, either wait in an orbit till I get tired or move on". Well, move on...
3. You may appear too eager, thus she puts her breaks on. She likes you but hasn't made her mind about you yet. Keep pushing but slow down...