“It's said a friend is a person who walks in when everyone else walks out.”
“A friend is someone who walks into a room when everyone else is walking out.”
“A friend is one who walks in when others walk out.”
“A real friend is one who walks in when the rest of the world walk out.”
“Good friends walk in when the old ones walk out.”
“A best friend is the only one that walks into your life when the world has walked out.”