It means that the person they are obsessed with is always on their mind. What they are doing, where they are at, what they are even thinking. It takes all your time & can be very unhealthy for both.
It means tht they r crazy for them nd they would do what ever it takes to get their attention
That means they like someone else more then love
Lust =P
Tht mean your crazy bout something
It means they need medication...