John Lamparski/GettyHow many days from last year do you remember? Really stop and think about it. Now see if you can identify any patterns among those days that stand out. Were they all happy? Upsetting? Relaxing? According to Jesse Itzler, we're more likely to remember experiences that are unpleasant, at least in the moment. Itzler is the cofounder of Marquis Jets, owner of the NBA's Atlanta Hawks, and a former rapper; he's also married to Spanx founder Sara Blakely.