'Burden' in the Bible

But the king said to Absalom, "No, my son. We shouldn't all go. We shouldn't burden you in that way." Though Absalom pressed him, the king was not willing to go. Instead, David blessed him.

David said to him, "If you leave with me you will be a burden to me.

I am presently eighty years old. Am I able to discern good and bad? Can I taste what I eat and drink? Am I still able to hear the voices of male and female singers? Why should I continue to be a burden to my lord the king?