Most Helpful Guy
Just try your best to stay as confident as you can. Keep calm with your mind on what's going on as it happens.
If your mind wonders off about the last date, try to stop asap and get your confidence going again. Keep your mind on your current date.
Most Helpful Girl
That guy sounds like an absolute douchebag! There's no reason to think your date tomorrow will go the same way, just try to relax and enjoy it.