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 is excited to learn a new programming language.

By learning the C language, you can understand the basics of programming.

He is good at learning foreign languages.

He was struggling to understand his internal language.

He finds it difficult to verbalize his emotions.