The moment to sell him is gone, that should have happened a while back. I think Dean will move on, he wont get a couple of loans. He wants to be a permanent fixture at a top club, so he wont stick around here. A better club will buy him, maybe abroad, and he will have a good career. He is strong mentally and pairs it well with his talent. If i was Spurs, Chelsea (Kepa was expensive though) or Arsenal, i would try to buy him, especially Spurs may need a new one depending on Lloris. There were also rumours of Bayern monitoring him to replace Neuer in the future, which would be great for him.