How many tables should I play at a time to learn the fastest?

[LordMushroom2]

I am not looking for 1, 2, 3 or 4 here, I am looking for some guidelines.

Currently I believe the optimal number is the maximum number of tables you can play and still almost always have time to find the right move before time-constraints force you to make a move you haven´t thought properly through yet.
1) What do you think of that?

What I mean is that the more hands you play per hour, the more hands you can learn from per hour. But if the moves come too quickly after each other, you don´t have time to learn from them, you are just fighting to keep up the pace.

Assuming I am correct, how should I go about adding tables? I am thinking it is time to add a table (and temporarily moving down a level or two at the same time) when you feel the action is too slow.
2) What do you think of that?