Storylines involving petite teen leads often utilize classic YA archetypes, sometimes subverting them to highlight the character's internal strength:

To avoid clichés, give the petite character a personality that contrasts with their "delicate" appearance.

Often, a petite teen character is underestimated or treated like a child by their peers. A strong romantic storyline will show the love interest recognizing the protagonist’s inner strength and maturity, proving that size has nothing to do with the scale of one's heart or ambitions.