It is a life or death situation. Without God we face physical death and spiritual death. It's not hard. You don't even have to talk out loud. Just pray throughout the day and give him the glory for all things.
Praise is a natural reaction to loving thoughts.
And they usually encourage us to join them in praise. These three commands are listed in order for a reason. First we fear God. We realize that He is in total control of everything, including our salvation. We know through His Word that He promises us salvation by faith alone.