What is the best way to deal with stress?

Meditation.

If you just say "fuck this shit" at the end of anything that's about to stress you, you won't have to deal with it later.

Have a break, have kitkat.. kidding..i try to listen to music.

Keep your mind busy with other funfull things

Nap naps.
Or a snickers bar

Exercise

have a wank

Fap