I am still in the first half of the bio by Alex Hahn, but I came across a small section - which occurred just after the fame brought on by Purple Rain - that struck me as so sad...

"…Dez Dickerson, felt a dramatically different atmosphere when Prince invited him and his wife Becky back to his hotel after a show in Washington DC…… As Dickerson and Prince became immersed in a jocular conversation the rock star pretences melted away; for a moment it was like they were back in Minneapolis goofing around after rehearsal. “He was starting to kind of come back to life again, like in the old days,” the guitarist recalled. As he and Becky left, Dickerson remarked that they should all get together and go shopping in Georgetown, as they had on previous tours. Prince’s eyes lit up with expectation, but then just as quickly a sad look crossed his face. “Nah, I can’t do stuff like that anymore,” he said. “I can’t go out”…"

It is hardly surprising fame changes people, it must feel like someone has stolen your life.