He was in love with her subconsciously.

The subconscious has a big impact on our behavior.

He is too self-conscious, so he has difficulty speaking in public.

He was unconsciously humming the tune.

He acted according to my instructions one by one.

He has a deep interest in archaeology.

He understands the importance of learning.

He is majoring in psychology.

Gaku is my best friend.

He finished all his work all at once.