Magic Academy's Genius Blinker

Jeremy didn't engage in activities which resulted in loss.

In other words, he didn't do things for others.

To elaborate further, one could interpret it as he was acting solely for himself.

He had never sacrificed himself for someone else throughout his life. He hadn't done it in the past, and he wouldn't do it in the future.

Even if the stakes were high, the fact wouldn't change.

'Sacrifice for a beloved woman?'

'What's the point of that?'

'It's all pointless if I don't get what I want.'

"Selfish, huh..."

Surrounded by ghosts and shadows, Jeremy closed his eyes and immersed in his own world.

Ghosts didn't exert direct physical force.