Grief is a personal thing one that we all take it is also a long road to walk.
people grieve differently some as you say don't show it.others cry all the time.
I don't cry I don't see the need.its not that I don't care .its because of my beliefs.i am a medium so I see it as a continuation of life.
I am also a counsellor so I see it from the perspective of others to.it can take a long time to get over grief, there is no time limit to it.and there are many stages of grief to .
everybody has to deal with it the best way they can.