Things remain positive for now but I think that would change if they sold Lukaku. If Lukaku was sold, the fans would start to question whether the early optimism/ excitement was unfounded. Even under the dark transfer windows of the past, the club wouldn't go as far as selling two of its best players in one window. Rather than spending £100 million of Moshiri's cash, the club would proabably be making the biggest transfer profit in the league. For the optimisim of the season and new regime moving forward, Lukaku just cannot be sold.
The sale of Lukaku would make no sense. With the Stones money, Moshiri's alleged funds and the TV deal, we have more money than we need. In the past we have sold players to fund incomings. We wouldn't be able to replace Lukaku's quality and having seen our struggles at attracting top quality players, I have doubts as to whether all of the funds would be reinvested.