First Day - Eat a metric fuckton and listen to my music for hours on end in order to drown the misery.
Second Day - Spend time with time and family. And write a farewell letter at night.
Last Day - Avoid contact with people meanwhile reminiscing and evaluating major events of my life - the good, the bad. And finally, take a stroll in the park for my last hour.
If you could befriend any one person (politician, celebrity, etc.)