Because otherwise it's just imaginary friends, and we all know where that leads (p-a-d-d-e-d r-o-o-m).
Hi Didi! Didn't you publish my story "Protection"? Good to see you here!
*waves to everyone*
Didi! Glad to see ya here!
Thanks, Richard! :)
Yay, Didi's here now! Excellent!