7. When you ask them on a date on a day they are unavailable but they suggest the next day they are available.
8. When someone gives you shit e.g. gum, chips from a bag and no one else.
9. If the person’s pupils are very dilated when you look at them in the eyes and they’re sober. People’s eyes will become dilated when they get that “rush” from looking at a crush so if you notice their eyes flashing “larger” after eye contact is made, they may be interested . This is really easy to see on someone with light blue eyes, but even dark brown ones will seem “large” when dilated.