I don't know what to tell ya.
If you play THAT much you must understand how the game works.
Bad perks?
The game has bracket scaling
instead of following your level +/- 5 levels like in Oblivion, the game is easier when you're 29 than when you're 31. Reason for this, is when you're 29, most enemies are level 20. When you hit 31, they are suddenly level 40. So, you can imagine hitting level 81 would be hard seeing as now enemies are 90-100. This scaling doesn't apply to all areas of the game though.