He is my biggest enemy.

His advice was very practical.

His target-like way of thinking is hard to understand.

In order to reduce food waste, we should plan our food consumption.

He always proactively suggests new ideas.

This stroopwafel is a souvenir from the Netherlands.

He likes to take a walk in the park at dusk.

He is an expert in experimental psychology.

He is known as an expert in criminology.

He has a deep interest in parapsychology.