I felt suddenly as if she had given me too much to think over.

Sitting alone in his room, he suddenly felt a change.

Though she'd heard no sound, she suddenly felt as if someone was watching her.

They suddenly felt much better and happy to be back home.

I suddenly felt the field was not real any more.

He suddenly felt a number of things fall into place in his mind.

She suddenly felt the eyes of that other on her.

By the time he'd reached the third floor, he suddenly felt pretty good.

It has only been four years, but I suddenly feel very old.

Why do you suddenly feel it necessary to go back to the past?