Psalm 35:14

As a friend, as to my brother, I walked; as one who mourns for a mother, I was bowed down, mourning.

Genesis 24:67

And Isaac brought her into his mother Sarah's tent, and took Rebekah, and she became his wife. And he loved her. And Isaac was comforted after his mother's death.

2 Samuel 1:11-12

And David took hold on his garments, and tore them. And likewise all the men with him did so.

2 Samuel 1:17-27

And David chanted this death dirge over Saul and over his son Jonathan.

Psalm 38:6

I am troubled; I am bowed down greatly; I go mourning all the day long.

Luke 19:41-42

And as He drew near, He beheld the city and wept over it,

Treasury of Scripture Knowledge

Summary

I behaved myself as though he had been my friend or brother: I bowed down heavily, as one that mourneth for his mother.

I behaved, etc

As one

Bible References

I behaved, etc

2 Samuel 1:11
And David took hold on his garments, and tore them. And likewise all the men with him did so.
Luke 19:41
And as He drew near, He beheld the city and wept over it,

As one

Genesis 24:67
And Isaac brought her into his mother Sarah's tent, and took Rebekah, and she became his wife. And he loved her. And Isaac was comforted after his mother's death.

General references

2 Samuel 1:12
And they mourned and wept and fasted until evening, for Saul, and for his son Jonathan, and for the people of Jehovah, and for the house of Israel, because they had fallen by the sword.
Job 31:29
If I rejoiced at the ruin of my hater, and I was excited when evil found him;
Matthew 5:44
But I say to you, Love your enemies, bless those who curse you, do good to those who hate you, and pray for those who despitefully use you and persecute you,
John 11:35
Jesus wept.