How to say I LOVE YOU?

If you are a lover than it is important to say you love him/her. To explain this "I LOVE YOU" is the most complex phrases in human communication. But it is the big issue to say I LOVE YOU.
 It's Important to take proper preparation before saying I LOVE YOU.Here are the some basic ways to take preparation to say I LOVE YOU.
 1. Make a relation before saying it. Most of the people use this method.
2.Take situation in your control.