Movies with "Running to Each Other" endings

No one runs to each other in real life. Why do they run to each other in movies ???
  1. The Holiday
    Cameron Diaz runs to Jude Law
  2. You've Got Mail
    Hated this ending she is too quick to forgive
  3. When Harry Met Sally
    Billy runs through the "empty" streets of Manhattan to Meg Ryan
  4. What's Your Number?
    Anna runs/bikes/drives towards Chris Evans while her dress changes three times
  5. My Best Friend's Wedding
    Julia runs across Chicago to Dermot