"A friend is someone who knows the song in your heart, and can sing it back to you when you have forgotten the words." --- So true. I really do appreciate some of my friends who sang my song back for me.
For the English speaking folks this wonderful and very true quote: "Sometimes you just need to stand up and leave, so the person on the other side of the seesaw falls on the ground and notices how you have been carrying him/her." - by RUMAG