As hard as this is, she might have just been either interested, and then got bored, or she might have just been looking for something fun. In no way is this your fault, I would say that by the sounds of it she was playing a game with you, which you can't blame yourself for. She betrayed your trust, which is not your fault at all. This is only my idea though, i don't know her so I can't say if this is something she would do or not. Hope this helps!
There is really no completely sure way to know until he actually does ask you, but if you spend alot of time together, and he has hinted or acted as if he's interested in being an item, then most likely he will, or he could waiting on you to ask him.
Body Language is a big clue. If they spend a lot of time together they are probably going out.
If a guy is interested, he will want to spend time with you, will call you, and will not make you wonder.
You might be interested in cheap tickets to Paris as the less you spend on travel, the more money you have to spend on sightseeing when you get there. You might also be interested because you enjoy a bargain.
If he spend time to listen to what you have to say, then he is certainly interested in what you have to say. If you enjoy having him listen and enjoy his company, then keep talking.
I spend my Xmas macking my webshow because there is not much to do
The future tense of "spend" is "will spend" or "going to spend."
Family is one of the most important things you will ever have. Make it a point to spend time together, even if it is just to watch a movie and eat popcorn on the weekend. Try to do different things each month together, like going bike riding or having a picnic outside.
Let's Spend the Night Together was created in 1973-07.
She wasn't going to spend the day with "a" Tiffany she was going to spend the day @ Tiffany's, the nice upscale expensive jewelry store. :D
Let's Spend the Night Together - film - was created in 1983.
To make the boy like you. Get it Where you and him spend more time together then her and him. That way he will be more interested in spending time and being with somebody he can actually see.