Picture Test: Test your sense of security
If you want to say what security is, perhaps no one can say it. We can probably say that my boyfriend going to nightclubs makes me very insecure, and my girlfriend hanging out with other members of the opposite sex makes me very insecure. But if you ask carefully about what insecurity is, you may only be able to ask about emotions such as 'I'm afraid of being abandoned' and 'I feel very sad.' But ...