"I call it demanding my respect, the way I run," Morris told NFL.com's Dave Dameshek in late May.
Morris knows he won't catch defenses sleeping the second time around.
"Teams this year, they know about me," Morris told the Pensacola News Journal this week. "Last year, I was, in a sense, a surprise. This year, they know about me. I know it's going to be tough because I know it's going to be a bigger challenge, but I love a challenge. I'm looking forward to this year."
Said Morris: "Last year, I was going in there like a lost little puppy. This year ... I'm a lot more confident and more comfortable."
That should concern opponents. That "lost little puppy" trotted out 1,613 yards and 13 touchdowns as a newbie. His emphatic 200-yard, three-touchdown outburst against the Dallas Cowboys in the regular-season finale made him look nothing like a cowed rookie. The rise of Morris also deep-sixed Mike Shanahan's deeply tedious clown-car backfield, bringing a dose of sanity to fantasy enthusiasts everywhere.
If Robert Griffin III returns to form after knee surgery, the Redskins arguably house the most explosive quarterback-tailback combination of all. That should go a long way in an NFC East battle that's shaping up to be a street fight.
Follow Marc Sessler on Twitter @MarcSesslerNFL.