you do not really have a true concept of what solitary confinement really means. You are viewing solitary confinement like alone time. Human nature is such that most human beings do not psychologically deal well with being deprived of all human contact for extended periods of time. Some humans can do fine with solitary but it is a very very small percentage.

I do know someone who did go to prison and basically was a slim straight haired indian prettyboy teenager in american jail... his approach was from the first day he entered prison he immediately attacked the first person he saw, went to solitary got out immediately attacked the first person he saw, did that for about 3-6 months... eventually he was so nuts he joined a gang, he liked the gang life better than the solitary