You think about them often
You look forward to seeing or talking to them
Their messages or attention make you happy
You want to know more about them
You notice small details about them
You feel nervous or excited around them
You care what they think of you
You find excuses to spend time with them
You miss them when they are not around
You feel jealous when they give attention to others
You want to impress them
You feel comfortable being yourself with them
You imagine doing things together in the future
You pay more attention to your appearance around them
You feel a strong urge to check on them or hear from them