I am no expert, but I would avoid super hot water onto your head and try not to wear hats, tug on your hair, or otherwise encourage the hairs to fall out. Also,

I am no expert, but I would avoid super hot water onto your head and try not to wear hats, tug on your hair, or otherwise encourage the hairs to fall out. Also, stay fit and potentially cultivate facial hair: both of these will help balance out the receding hairline.