Quick one

I took my dad to the mall the other day to buy some new shoes (he is 84).
We decided to grab a bite at the food court. I noticed he was watching a teenager sitting next to him.
The teenager had spiked hair in all different colours; green, red, orange and blue.
My dad kept staring at him.
The teenager would look and find him staring every time.
When the teenager had enough, he sarcastically asked:
We decided to grab a bite at the food court. I noticed he was watching a teenager sitting next to him.
The teenager had spiked hair in all different colours; green, red, orange and blue.
My dad kept staring at him.
The teenager would look and find him staring every time.
When the teenager had enough, he sarcastically asked: