well if you want to have a life yes. but i totally agree it's a pain
No.
no
depends on the person teeth
The Nucleus
to gain a foothold in Europe in order to defeat the Germans
Yes. Chewing is necessary so as to not choke on food.
Yes but only sometimes if it is necassary.
Yes, at a formal dinner appetizers are required to be served.
In order to have the vehicle track correctly going down the road.
No you don't have to, until of course you have Sleep Apnae or snoring causing problems.
The collective noun for the noun 'homework' is a slew of homework.
On a lazy day it becomes necassary to masturbate excessively until the point where blood is involved in the ejaculation process.