He thinks about her. He still thinks about her. He always thinks about her.
She just thinks about him. She just start to think about him. She thinks whether its correct since she thinks about him.
When they both think of each other. The Love starts to Workout!!
It also implies that they both have no other Work to Do!!
[Scenerio-Usually workouts in College. If it happens at Work Place,then the Company Owner should “Think “about it!]