What girls feel when a guy makes excuses to see her?

Suppose he acts like talking to his friend while glancing at you .Or While you are with your friend you see him appears from any corner and start to give you glances another time he sits somewhere near just to notice you Or he talk loudly to his friends inorder to get your attention or he walks past or cross you in hall without saying anything to you ..

What does a girl going to feel about it..