Only when we want to move out we realize how many unnecessary items we have in our house and we wonder how much time, money, energy we have spent on these items that we could easily manage our life without them.
One true friend worths more than one thousand acquaintances. There is one simple test to evaluate the sincerity and truthfulness of friends, relatives or even siblings: simply ask them a small favor. If they are sincere, they do it without hesitation. If they are not sincere but polite, they try to make some sort of excuse and avoid any possible hard feeling. And finally if they are none of them, you won't hear from them soon!