It's about bein inlove.
The girl is afraid but something about the guy makes everything better she realizes she loves him and always will. So she let's her gaurd down but sometimes things or people get in the way, eveyone doubts they'll last but no one understands there love.
She will face anything that comes there way because she never wants to lose him. She's inlove with him and so is he.
She will always love him