Lyric discussion by trifledmemory 

Cover art for Cross My Heart lyrics by Rocket Summer, The

This is the bond between two very close friends. The person who knows all your secrets, who's experienced some of the most important and impacting moments of your life. The person who you can laugh the hardest with, the person who's friendships you've made mistakes in yet they accept you that way and they two have in return made mistakes but every mistake, every laugh, every tear adds up to an unbreakable bond where even just a car ride could feel like your own holiday.

Well, it could be about something else, but that's my opinion