R
Because when you're in love with someone you become attached and comfortable. You get blinded by love, you get so caught up with that person you wouldn't want to Image life without them, you open up your heart, soul and life to this person. They become your life, your world, your everything and in a split second the thing you thought that was impossible happens. The relationship breaks down, you lose that thing that you made your life revolve around, your so attached and to let go hurts so much, you feel your heart drop and the pain feels like it physically broke. Your stomach turns and drops and you can feel it. like all the butterflies just died.