Let's understand this from the real life examples
My grandma(mom's mom) she is now 85 years old ,
She does not remember things that good now as she used to remember before she forget things pretty fast but when I asked her who was her favourite person she said her grandfather I asked her more about her grandfather she told me everything during our conversation she also told me about how her grandfather died she exactly remembers the day when her grandfather died which clothes he wore on that day what he ate what was his last words how he looked when he died how the funeral happened she remembers everything.
I asked did she feel bad till now she replied yes but said it's life everyone is going to die someday.
My grandmother laugh with us celebrate with us sometimes she becomes the happiest person in the house even if she lost so many people that she treasured ,loved or cared. But she remembers everyone of them all she do is pray for them she feel satisfied when she prays for them this is what she said to me.
Let's come to me now.
My grandmother died a few months ago(father's mom)she patted my head just the day before she died and and prayed for my success and I didn't even shed tears on the day she died I felt sad, bad but I just won't be able to cry I don't know why I won't be able to think properly for the whole day , I couldn't sleep at night but everything become normal as the time passed I still remember everything, the sorrow of loosing is still with me ,
but the life won't stop it goes on and on it's on us how we handle things because everyone is going to loose so many people between the journey of life so it's on us weather to move on and focus on what's left or keep holding what's gone the one who is never coming back
Yes memories will hurt but it's no unique everyone was is and will be facing it so just take a deep breath ,a sweet careless sleep and because so many things are yet to come until we die.
At last one example.
There is a old man who never left a house in 40 years when his grandson asked him why don't you left house in 40 years he replied that he fears from leaving house his grandson asked why didn't you tried to leave the house let's try it nothing will happen his grandfather starts shaking and said that he can't he then said that only if he left his house on the day first second or third day of fear he would be able to leave the house the more he wait the more the fear increase.(I didn't address this situation properly thanks to my little knowledge in English but I guess you will get the Idea what I was trying to say if you don't please tag me)