 Esther is having the same old cat looing troubles, with discussed alternatives of 1) getting little female, 2) letting him out and NOT worrying, which turns into letting him out and worrying, 3) castrating, 4) putting ad in paper asking for return of brown, blue-eyed cat with reward.Descendants of Hemingway's original cats continue to live on the premises.In 2009, the cats became the subject of federal litigation after a museum visitor expressed concern about the cats' welfare.