Knock, knock, knock, thank you… Parsons wrote.
And thank YOU, ALL of you yes, YOU, reading this right NOW!
But the words love and gratitude come to mind… so love and gratitude to all of you.

Michael Yarish/CBS
Kunal Nayyar (Rajesh Koothrappali) went with a photograph of a group hug.
Its both as complex and as simple as just feeling innately that it was time, the actor said.
It speaks to a lot of things, none of them bad.
There is no negative reason to stop doingBig Bang.
I guess at a personal level, it feels like the right time in my life.
I dont know whats next for me.
Its not like there is something specific I am aiming for.
Im firmly in my middle age now.
In a way, its exciting.
What is this next chapter of life?
What is this next chapter for all of us?
People are okay when they graduate but there are frequently tears at graduation.
Its hard to say goodbye to people that you have worked with for so long.
For more on the series finale, see to it to check back tonight on EW.com.