[ada1981]

it simply extends the time You are able to "work".

It's such an enjoyable and useful process that most everyone chooses to take the booster dose.

It also is a nice safety check, if the person happens to freak out or really doesn't want to continue, they can pass and come back down. But as I Said, in practice no one passes.

It's also not boring or tedious as most therapies can be, it's a lovely place you want to explore.