That might take a while, and you might lose her. But, with faith in your heart you patiently wait for your opportunity.

… She dips behind a building and you lose sight of her completely… Well that sucks! So much for waiting your turn! You angrily think about what else you were taught in school that might be false, when you hear something land behind you. You turn around to find a gray pegasus, looking especially wall-eyed, contently gazing past you. Curiosity gets the better of you and you turn to see what she’s… well, mostly looking at. It appears you’re standing in front of a mailbox, effectively blocking it. Now’s your chance!