Hair has cycle - it will fall and grow / at times, it doesn't.
Tobacco in any form is bad - though it is not the direct cause here
Male hormones cause particular type of hair loss - frontal baldness
- like 'M' n the forehead.
The inheritance is complex - not simple - to look like either parent
A good nutrition and clean scalp are helpful / local minoxidil
will rule out fungal infection
and also advice more
After all it is cosmetic! - a change of attitude to accept is good indeed!