What does Strong Human mean?

If someone had asked me few months ago this question my answer could be something like "I don't know, I'm not strong yet." Today answer is different, strong human is like stone, strong from outside and inside and every side. Someone may think ,it is simple, and yes it is! untill bad things aren't happening with you, and it is really hard sometimes if you  can't stand some kind of things. Worst is when you don't expect something bad to happen to you, but it happens (like always...Nothing is perfect ) When people who you thought were part of your family, who had big role in your life, treat you like if you've done something they can't forgive, and  at  the same time  you know you are right, but you can not prove that, you know that no one would believe you and you just can't change something. like everyone is against you and you feel so miserable as never before. you want to cry,shout,scream like if you are going to die , but even that wont change anything. When people don't want to listen or understand you, when they judge  your mistakes and not your abilities of doing something good, when you think different, when society is against you, you think it hurts like nothing else, but there is thing that is much difficult for me to stand... It is when someone whom you trusted like you never did before, someone who was part of your life, someone who you knew was not perfect, but still loved dearly,someone who you thought was different, was like you, someone who you thought will always be on your side, someone who wont  judge you and love you no matter what happens and finally this person betrays you...It  doesn't even hurt, but it changes your vision of world cardinally and when person betrays you, you don't even know how to trust people after all, because you are scared that if you trust and believe in them, one day they'll betray  you. and when someone (really good person) asks you if you trust them, you have to say "No" and hurt them, because you can not lie to them. and the situation is so difficult, that you feel like you are lost....Strong human is someone who can stand all the things I talked about, and still smile, like nothig else matters and everything is allright. So my answer changed, but I'm not strong yet.