Goofy dogs that remember you like an old friend, and recognize and run to you from across the street while dragging their dog-walker along.

The wrench in your stomach when you're introduced by your weaknesses, or at least what others perceive as unfortunate traits, by someone that is supposed to know you well.

When you feel like you're waiting for something wonderful and painful and worth it that will never actually happen.

The glimmer in your eye when you realize that despite all your differences, you'd still trust your brother with everything.