Well, you should be able to find a Belt and a Necklace of Voodoo somewhere in the game, they're not really common but I've always found them in some treasure of a merchant's inventory at some point. When you wear both of those items at the same time, they grant you an extra skill point per level.
Once, I got a Helm of Focused Logic that increases Intelligence by 1 (and grants an extra skill ptper level due to that) but those are rare.
There are probably other items that increase skill points too, just keep an eye out for them, visit merchants regularly etc.
I can't remember off the top of my head, but I think there is something in the manual that describes how many points are needed to upgrade a skill when it gets to a certain level. That might describe some kind of cap to how many points are needed to upgrade a skill.
One thing I found out relatively recently was that if you get a perk that increases a skill by X points, that also complies to however many points to upgrade a skill, e.g. it takes 2 points to upgrade a skill by 1 and you get a perk that raises a skill by 15, the skill would skill wouldn't be upgraded by 15 but closer to 7.
Interesting dream, though a little fatalistic.
