It's about savoring life, appreciating what we have and learning to become aware of things most of us usually take for granted. In more specific terms, it is about the wife of the Kevin Palmer, lead singer to Trust Company. (Flyleaf toured with them at some point.) Layla. Layla had a disease that confined her to bed for long periods of time (the broken bones in the song reflect her pain and suffering). Whenever she got out of bed she had such an appreciation for life, it couldn't be ignored. Lacey said something like that in an interview.
Here is a link to the lyrics