Any Miniturazation Here? Should I Be Worried?

[LeanMean]

I shaved my head a couple months back and my temple hair has been growing back strangely. My hairline looks a bit higher than I remember.
I'm 18
My dad started going bald around 36 and my mothers dad never went bald.

 

[Michael1986]

Judging by those photos, your hair is alright dude