The first answer
1.Say hello to a
stranger. And
smile as you do so.
2.We can use a smile to apologize, to greet someone, to ask for help
or to start a conversation.
nboard.nciku.com
3.What do you feel about them, stranger?
4.Walk up to complete
strangers and say, "Hi! I haven't seen
you in so long!..."
5.Pick some flowers and appreciate the beauty of nature. Say
hello to strangers and enjoy the
people you know.
The second answer：
Different hat adjustable the feelings of people, such as: funny hat. Because the people hat after security is stronger, the mood to relax, and accompanied by the outside world the curious feeling of things. A conversation enjoyable or stimulating.
The third answer：
Accused of cold jokes will achieve such effect, because of the cold joke session with can make people feel a sense of humor, and accused makes people depressed.