1. Do you feel like your bond has turned into more of a romantic relationship than a friendship?
2. Does she bring other guys around you, discuss dates she is going on, or talk about guys she has a crush on?
3. Does she ask you to do things alone with her more than in a group?
4. Do you ever spend the night together?
5. Have you ever hooked up?
6. Does she make every guy she goes out with seem like nothing serious and seem to be subtly assuring you that you have nothing to worry about?
7. Does she seem to take any opportunity to have physical contact with you or seem to be more physical with you than any of your other friends?
8. Do you have a lot of inside jokes that she likes to bring up frequently?
9. Do your friends ever joke around with the two of you about how you are more than friends or say you are going to end up together someday?
10. Does any girl you date or have a romantic interest in seem not to like this girl friend of yours and vice versa?
11. Does she often find reasons to text or call you, especially late at night or early in the morning?
12. Does she give you more attention or show more interest in your personal life compared to other friends?
13. Does she seem unusually upset or jealous when you talk about someone you are interested in dating?
14. Has she introduced you to her family or insisted on meeting yours?
15. Does she often make plans that include just the two of you, potentially implying they are like dates?