You're kidding, right?
Sincerely, I mean... really?
I would love to provide you with a backup phone number but alas, I have only have one phone.
Sincerely, please stop asking me about
Thank you for being so understanding after cramps made me throw up at work and you finished mopping for me. It means more to me than I can say.
Sincerely, what would I do without you
Please realize that yelling at me and/or calling me names will only get me to do as little as possible to get you away from me.
Sincerely, Customer Service Rep/Sales Person/Anyone That Ever Has To Work With the Public
Dear pest control worker,
You don't even know me as anyone other than a woman who works at a restaurant who hires your pest control company...but when you overheard me talking to my coworker about my house being broken into and how I couldn't afford to replace my busted door, you gave me $100.
Sincerely, a woman who will be eternally grateful for your kindness and generosity