That theory is unscientific and has no evidence at all.

He always prefers adventurous journeys.

I can't stand his aggressive attitude.

He has a very aggressive personality.

He expressed his dissatisfaction frankly.

You should regularly backup important files.

I ended up living together with him.

His poetry is prosaic, lacking rhythm and rhyme.

He has a deep interest in classical literature.

That disease could potentially have fatal consequences.