When saying the phrase 'i heart you' it means that you actually love the person but do not yet feel comfortable saying those famous 3 little words. Its just a little less Serious than actually saying 'I love you'

A statement that can be used in lieu of dropping the l-bomb which can often lead to the disastrous decimation of at least one if not two people.

oh yah, ascii your <3 away...

A lame attempt by commitment phobes to say I love you.

much love

I -Love- You.
But not quite, usually said to someone you like, but not quite want to have sex with.

l lurve you, i am in love with you, i fancy you