List of things to do at Level 50

[TOASTYTorpedo]

Post your ideas of any activities that people can do at the end game (or anywhere close because you don't have to be 50 as so eloquently stated by Arterra)

Try to keep your answers somewhat short as I will add them to the list!
And try to think of things that aren't already on the list, thanks!

The List:

5v5 Arena
3v3 Arena
Capture the Flag
farming gear, or money
playing the game with people
making new characters
Merchant/sell and buy
Level an alt
Chill in town
Talk with friends
Help lower levels level
elite quests(2)
Making a twink with best gear
Experiement with builds
Chill
Do fun things with friends