Some people need more sleep than others because of their age and what they do.
Some people need more sleep than others for several reasons. Some people are busier and need more sleep and some may need more sleep due to genetic reasons.
Because they do.
People are individuals - We all learn at different rates. Some people are able to follow lessons quickly, while others need more time.
Some don't need to. People learn different ways and there are people who remember what they hear. Others need to write it down and some need both.
Most people do, some more then others.
It depends on a lot of situations. Some people get paid more then others because they have more education and experience then you while others got there based on their exerience and work ethic.
My subjective answer is that some people need art, others do not. If you do not, it's OK.
Because those others don't need them.
Because some people produce more oil in thier scalp.
Some people have different sense of comedy. some will think they are funny, ehile others will be more machure
most people are either more commited to learing new things than others or sometimes people just arent as good at ABSORBING information and just need a bit more help;)