It is difficult to learn sincerely when the heart is in turmoil by disappointment, but when you let it remain so it is true that your disappointment will never end.
Your pain will continue to roar, if you don't calm it down with sincerity and believe that this is the best of God.
Therefore, be sincere even though it is impossible for you to forget, because God has prepared a better change for you.
Take care of your heart, because life is only one time so it's a loss if you just lament the past.
So, from now on don't play too long in your past, and believe in God's decision, because He has prepared better for you.
You have to wake your heart immediately with sincerity, even though it's not easy but you have to study and try hard.
So that you quickly realize that always crying over what God has taken from you is of no use, because God must replace it with a more perfect one.
Therefore, believe that God will not make you sad if indeed He does not have more happiness.
After all, all that God has written to you is that for your good in the future, and rest assured that only Allah knows what really makes you good to live this life.
Remind your heart by continuing to remember that Allah is the one who is all-fair and wise in writing a new story for each of his servants.
So just give your heart enough to feel confident in Him, because with certainty everything will be easy and will make you calm again.
Because it can be that you think that you have good overall is actually not good for you according to God. So what are you still worried about?
Whereas if Allah has taken care of it for you, then surely you will Allah give something better.