[ The talking does help, but even like this, Maglor's voice ebbs and flows like the tide. Kai's frown doesn't matter - so long as he's trying, Maglor keeps talking. It is the only thing that grounds him. ]

That is, in fact, a reasonably good place to start, in truth. The body remembers water - perhaps a memory from when we were carried by our mothers. The biggest lesson is not to panic - movement must be deliberate. The more you fight the water's hold, the faster you will sink. You need to push rather than cut.