We must have to learn to let go and face the fact that while good things never last,some things don't even start yet.
There were sometimes ,we thought when we were alone, that when life gets pretty great ,we got scared because maybe one day the pretty things we just had encountered, never last and nothing that lasts forever.
So it is important to make quality times your loved ones and do what is you want to do, like take some vacation with your family so that you can make some beautiful memories because as what i am saying earlier,nothings lasts forever even bad things don't last but we can build the precious moments and cherish them.
Do not think what might happen tomorrow or in the future, be calm and live your life today with joy and happiness.