FYI Things that can push hair line back
Pillow erosion
Too many haircuts
Tight fitteds
Brushing Hair in the shower
Braids
If you didn't eat your vegetables growing up
Stress
Using White people Shampoo and conditioner
Too much pomade
Driving on the highway with windows down too much ( It's called draft corrosion)
Switching barbers too often, they establish different baselines for your hairline allowing it to not grow back correctly.
Certain prescription medicines have follicle killing anti-agents and and pathogens that have receding as a side effect.
Wearing headsets and headphones excessively have been proven to cause follicular degeneration
Eating too much chicken wings, studies show that the steroids found in chicken now a days lead to an accelerated rate of hair loss.