Babies.  Babies are bundles of joy.  It has always been amazing to see their rapid growth and development.  First smile,  first word, first tooth, and first time to walk.  All these captivating moments in video files and albums.

Graduation.  Graduation signifies the end of long journey and the beginning of new adventure.

Birthdays & Anniversaries.  Birthdays are essential proofs of our existence in this world.  While anniversaries are great indicators of strength in relationships.

Weddings.  Oh! The sweet promise of lifetime happiness together.

Reunions.  Renewing friendships, family bonding.

Divorce or Separation.  Getting out of miserable life.  Hoping for better days.

Winning a Contest or Competition.  Realizing your strong capabilities.

Getting a Promotion or Salary Raise.  Job well done!  Keep up the good work!

Passing an Exam.  Of course, the essential point of taking a test is to pass it. 

Acquiring New Property.  Wow! getting richer! ;)

Watching Movies or Reading a Novel.  Nice opportunity to let out emotions.

Coming Home.  Home Sweet Home.. where our hearts belong.