My Crown Is Relatively Thin, Does This Mean I'm Going Bald ?

[Lohn John]

I'm 20 years old and my crow looks like this, the other one is when my hairs are wet

Also, my grandfather on my mothers side was pretty bald at around 30 - 40, but my whole familly of my fathers side never lost any hair.

 

[UncleMort]

it is diffusing

thats one of the first signs