Writers share their work with an audience is the answer
The man was so consumed with __rage_ that he became bitter and cynical in his old age.
explanation:
Bitter and cynical are both negative and angry words.
consumed with rage is a phrase.
I would probably say plump.
Essentially, in this question, you're looking for the word that would be the least insulting. More broadly, when asked about positive connotation, you're looking for a word that is not viewed negatively.
Words like fat and cheap have negative connotations, especially when applied to people. Words like plump and frugal are much more positive.