How do you tell if someone is falling in love with you?

if someone is falling in live with you, there are many signs. if someone is falling in love with you, they will be more careful of the way they look towards you, they will keep smiling at you eventhough they try their best to not show it, they will laugh at everything you joke about eventhough its not that funny, they will try to be close to you with no good reason, and they will suddenly be interested in everything about you.