When you are in a relationship, you may think you can't live without it or without the person involved...It's not always because of love...but sometimes because of a habit.
When you are addicted to cigarettes you may quit it or you can shift to another brand. Habits might change,addictions could be controlled...but love...
When you can't replace the person by somebody else in your heart...then it must be something special.
Don't address your habit as "LOVE"...but make LOVE your eternal habit... :)