This is really metaphorical. So the basic idea is this: I'm off the deep end- I'm in a difficult place, somewhere unfamiliar Watch as I dive in- she's embracing the fact that life is difficult, and "diving in" I'll never meet the ground- because she's in "deep water" she won't fall to the bottom Crash through the surface, where they can't hurt us- she jumped into the difficulties of life, a place where the people who wish to hurt her can't reach I hope this helps you, though this is only my interpretation, so if somebody else has a different one I'd also love to hear it.

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