An interesting photo found in 9gag (http://9gag.com/gag/5551263). It’s a good analogy of human trust.
Yep, it’s all about trust and mistake. You can make people trust you. It’s easy to lose the trust when you made mistake, or worse, when you betray them. It’s not easy to regain trust, since it is like an eraser. The moral story, don’t make mistake? Probably no. Human should have learnt something from each mistake they’ve made. Those who never do mistake are people who don’t learn. It’s just that it come with a price.