A Long Hairline

Your hairline is so far back that it would be a 70 mile trip to the back.

Explanation

Experiment

Explain Bear

Listen up, buttercup. This joke implies your hairline is receding so far back on your head that the distance from the front of your hairline to the back of your head is like driving 70 freakin' miles. I know that is a lot for someone like you, but you need to trust me, ok?