Best "Tip" from a Customer

Back to work still recovering from my sick days and I wasn't exactly wagging my tail about it. I felt good enough though, and pushed myself, keeping a positive attitude about the day. Work started off pretty well, although there were would be occasions when my head would get a bit light or I would remind myself to take deep breaths. I went to the back for a bit (for this occasion I'm not certain of the reason) and on my way back, T told me that a gentleman was waiting for me at the front to thank me for my service. I did not think much of it, simply said "ok" and went back to the front. I saw the gentleman standing by the dessert cabinet, not too certain either if he looked impatient or not (it happened fairly quickly). I popped my head out, greeting the man and without another second to pass, he says "thank you", places in paper in my hand and walks away while I say an automatic "thank you, sir" back. I looked into my hand and I saw that he gave me a $50 bill...

(retrieved from google.com.au)

I just stared at it for a while. 

The barista asked if he just gave me a $50 bill, and I just nodded my head, showed her the bill and ask, "Should I keep it or put it on the plate?". She said it was my choice. I placed it on the plate. L (male) saw what I placed on the tip plate, picked up and stretched it out in the air with both arms asking "is this for real?" with such a loud exclamation. We all laughed.
I was amazed. That is a very unusually large tip to give, and for a table of three, that is extremely gracious.
These people weren't difficult, their orders were fairly simple, and I didn't serve them completely. I took their orders, L set them up and gave their orders, I cleaned out and asked if they wanted anything else. And that was that.

I couldn't get over it. Not even over it now.

Another thing to be grateful for.
Amazing. So amazing.