1. Are they making plans with you more frequently and longer in advance than usual?
2. Does it seem the plans are more often just the two of you?
3. Has there ever been an intimate encounter between the two of you?
4. Do you feel like they are more interested in other parts of your life outside of the normal friend talks?
5. Are they very critical of people you show interest in or go on dates with?
6. Have there ever been comments made about being more than friends?
7. Do you have feelings for them that are more than just friends?
8. Do you feel like they have feelings that are more than just friends?
9. Do they always seem to find ways to get closer to you or touch you?
10. Do they always like everything you post on social media?