He feels frightened because Scrooge doesn't know what will happen in his future and because this spirit is very silent.
Scrooge initially fears the Spirit of Christmas Yet to Come because it represents the unknown future and the consequences of his actions. As he experiences the visions of the future, he becomes remorseful and understands the importance of changing his ways to avoid a bleak future for himself and others. Ultimately, Scrooge embraces the lessons taught by the spirit and resolves to make amends.
i think he is not even real
He fears him the most
His potential future including his lonely death and what other genuinely feel about him
Fort the ghost of Christmas past he disbelieved and resented the appetition despite feeling a hint of remorse for his actions. The ghost of Christmas present sees Scrooge starting to see what the true spirit of Christmas is. Scrooge starts to understand the impact he had on the lives of the Cratchit family and hears and sees what people think of him. Finally the ghost of Christmas yet to come, the most feared of all. Scrooge is scared not only of the ghost and its message but of the dark uncertainty that the spirit briings
The Ghost of Christmas Present is a stranger to Scrooge because he represents the present moment, which Scrooge has been disconnected from due to his focus on the past and future. The ghost's role is to show Scrooge what he is missing by ignoring the joy and goodwill around him in the present.
Scrooge's partner ,Jacob Marley, died on Christmas Eve. There is also the fact that Scrooge himself hates to see other people happy.
Disbelief of the first, surprise and confusion of the second and fear of the third
Scrooge says "Remove me" to the spirit at the end of Stave 2 because he becomes overwhelmed by the visions and memories that the spirit shows him. He cannot bear to see the pain and loneliness of his past, which make him feel vulnerable and exposed. Scrooge's reaction also shows his fear of confronting the truths about his own life and choices.
fear and shame
Scrooge initially feels excitement and joy when the ghost of Christmas Present visits him. The ghost takes Scrooge to various places, including the house of Bob Cratchit and the home of Scrooge's nephew, Fred.
He hated it as he had been abandond at his Boarding School each Christmas when all others were at home with familiy
Ashamed of the way he has treated the loyal Bob
Personally I don't think there is a particular point to Christmas decorations, simply to make everyone feel more in the "Christmas spirit" and feel a lot happier :)