The point being made in the essay I posted is that Grant was a fighter, and among the “things” he had to fight was alcohol, a fight not unknown to many of us.
HST, there is a rather fascinating article about Grant at http://www.historynet.com/ulysses-s-grants-lifelong-struggle-with-alcohol.htm. Perhaps you might enjoy reading it.
Grant appears to have, for the most part, kept his affinity for alcohol under control.
I was critical of the author, not you, unless you are one and the same. But I grant you (pun intended) that if the General had been a drunk, Lincoln would have been wise to distribute his tonic of choice.