sentences:  Otherwise, the cabbies deal on a daily basis with their unsatisfying lives and with Louie's abusive behavior and contempt (despite being a former cab driver himself).Louie's assistant, Jeff Bennett, is rarely heard from at first, but his role increases in later seasons.Despite the humor of the show, "Taxi" often tackles such dramatic life issues as drug addiction, single parenthood, blindness, obesity, animal abuse, homosexuality, racism, teenage runaways, divorce, nuclear war, sexual harassment, premenstrual mood disorders, gambling addiction, and grief.