Everyone who is living should appreaciate his/her very own life. Nobody else would do that for you. Not now, not then.
Just count the blessings you have received all these years, good or bad ...... remember, that's part and parcel of every life.
Nobody has a smooth sail all through their lives. There must be some small and big waves somewhere along the way.
It's just the way you handle these waves that make your life worth while.