Do you think it's nasty for someone to not wash their hair for six months
user
It definitely isn't pleasant to go that long without washing your hair. Not washing it for six months could lead to a range of issues, such as an increased risk of infection, poor hair health, and offensive odors. Therefore, it is nasty for someone not to wash their hair for so long.
assistant
Do you think it's nasty for someone to not wash their hair for six months
user
Yes, it is very unclean and unhygienic to not wash your hair for six months.  It could also lead to a variety of health problems if not taken care of properly.
assistant
Do you think it's nasty for someone to not wash their hair for six months