A great article at pluggd.in stating the importance of talking your way out. People often don't realize the importance of trying to talk their way out. Some examples from practical life:
I go for evening walks. One day i forgot my purse and wanted to eat an icecream, Badly. I thought lets ask the icecream vala for a credit. I went and said ki bhiya kal paise de dunga aaj laya nahin. He said, "Sir, aap toh roj aate ho. Kal de dena :)"
I had one stubborn client how refused to pick up my calls. I thought he was purposely ignoring me. But still I gave my self respect a back seat and went ahead to meet him although I had called him many times before. He welcomed me and I found he was really busy and wasn't picking up anyone's calls. But still he listened to me and I got my work done.
A not so related example is: Being in the service industry you have to talk to your clients. You have to give them support. I have realized the more personal you get with them, the more comfortable they are. For example, Whenever write a email to a particular person, I address him as