Disagree. Humans are social animals, they have got used to live in society from 30 million years. It is other thing that some of them are trying to live the other way.

No and yes.
Our species is a social one and become humans being so.
As individuals, life events may drive you to be lonely.
Temporarily at your age range I hope.

If they live in a diving bell in the Marianas trench yeah.

Agree they want companionship

Agree

Agree

Agree

Agreed.

yes