I am sure you have had the experience of the same, choosing and trusting the wrong people to be your friends. Well, I usually go a step ahead, I do not learn from my experiences, and end up giving multiple chances to the same group of people to prove themselves yet again.
Hell yes, these are the same gnawing rats who feed on your good nature, derive the last ounce of your helpfulness and when the job’s done they don’t even bother coming back. The same people profess their friendship towards you and yet hide important things happening in their life and never share them with you.
However, the question is Why?