Is my friend lieng????

Ok well my friend an i are on the basketball team n he use 2 have a hairy chest well.....not 2 hairy but still .....now he dosent have any hair on his chest .......he keeps sayin that it went away when he lifts .....he has bin lifting for a while now and now he is buff so do you think that if you have a hairy chest and you work out a lot and get buff your hair will juz go away and ull be smooth??? or Is he juz shaving it???