I had no problems to install the version 6 over the 5. Only need to uninstall the 6 to install the 7. Just be worried while installing because the installation took so long that I thought it frozen.
Since I copied the save folder, I just paste it back and all worked fine.
... no spoiler but ... lol ... the part in the "gym bathroom" reminded me of a dream I had. I walked in and saw a white shark guy wearing his clothes. He got up when noticed me. We look at each other for a moment I saw his muscles when he hold my hand and pulled me out to a sand road up behind the "school" up along a small hill. I saw the garden of his house kind dead without grass and some brushes.
So in his home had a guy sat on the couch watching tv we greeted each other and behind it front the kitchen had a mattress on the floor behind a half all. He pushes me down on the mattress took my clothes off and his ones laying over me with his strong arms on my sides so I woke up. Lol
Those last 14 days I was down in fever I had another dream but with a real shark. But so short and like it just appeared in my real bed. Lol