I believe that my realization of problematic Skyrim playing came after I spent X amt of hours figuring how to use that Fortify Restoration loop for just the right set(s) of Alchemy Gear and Fortify Enchanting potions that would give me armor with precisely 100% Fortify [insert magic school], and Boots/Gauntlets with Fortify Carry Weight with 50, then 80, then 150 points...(with my vampire character, I had an absurd potion that made everything like that...)
You know, now that I think about it, getting the 100% Fortify Magic school potion only took me about 45 minutes. Now, figuring out how to make a 35% Fortify Archery deal, so that my helmet would be just like the Ancient Shrouded helmet (ANSWER: 54% F. Enchanting and a Greater soul gem!)? THAT, my friends, was an epic in the ass...