Liabilities
Definition: anything that is owed to someone else
Encountered from A Natural Fix for A.D.H.D
“All of a sudden, his greatest liabilities — his impatience, short attention span and restlessness — became assets. And this, I think, gets to the heart of what
is happening in A.D.H.D.”
The author is saying one of his greatest responsibility is his short attention span.
https://www.vocabulary.com/dictionary/liabilities