My boyfriend gave me a gift.

Everyone was surprised by the news.

He is said to have a habit of lying.

He is always late, nonetheless, his grades are always at the top.

The term 'stereotypy' is a part of ethology, referring to the phenomenon where a specific animal repeats a specific behavior.

He has a habit of chewing loudly, so he often makes noise while eating.

Understanding crystal habit is important in understanding the characteristics of minerals.

His addiction destroyed his life.

Tsuki is my best friend.

The handle of this brush pen is very easy to grip.