He and I have a relationship of deep friendship.

He and I have a deep and close relationship.

The rotator cervicis is an important muscle for turning the neck left and right.

He is doing special exercises to strengthen his platysma.

The longissimus cervicis muscle is a part of the neck muscles, helping to pull the head back.

We should always remember the power of Kannon in difficult times.

The splenius cervicis muscle is a part of the neck muscles, helping to pull the head back.

The semispinalis cervicis muscle is a part of the neck muscles, helping to pull the head back.

The multifidus cervicis muscle is a part of the neck muscles, playing a role in supporting the head.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.