The music I listen to usually makes me envision something, and this one does that. This may be a little odd, but I want to put what I see when I hear this.
I imagine someone that tries to keep everything together, especially after someone that he loves loses someone important to them and he was, more or less, the cause of it. He can't sleep after this horrible thing happened, torturing himself over what he could have done differently. He finally realizes that he needs to go and meditate on things to prevent other wrong things from happening to her. In the process he process he learns to cope with the things that happened and as he frees himself from his problems he "ascends" to a state where he can fly through the sky to help him think.
He talks with the one he cares about, they talk things through, and he shows her what he can do, showing her unbelievable sights through her own time of need. I can see this scene ending in them bursting through a rainbow, causing an explosion of color that allows them a bit of freedom from their woes. They look on and you can tell they grow more attached by this.