I have a pre-workout routine as well, as well as a little routine before I perform my heavy sets. About 45 minutes before I leave for the gym I turn off facebook, turn my phone off and focus on getting ready and mentally preparing myself.
Our deepest fear is not that we are inadequate. Our deepest fear is that we are powerful beyond measure.
"When in doubt, just get really, really strong. It tends to cure most problems in training – and life." - Wendler