Aid Self is completely superfluous on a /WP toon.
If you're looking to sink some serious inf on this toon, you can go without Stamina with only QR and PP, due to the way that PP can be slotted with Miracle and Numina.
It's like taking the Med pool on an Emp, and no, you don't do that either. 
Aid Self .... well Exxar and Amy_Amp already said it.
PP is not needed with FH + Health and QR + Stamina. If you take it anyway you won't notice the +regen much if at all. But the added recovery might be helpful in some situations.
Exxar's suggestion to make a build with just FH, QR and PP - without Fitness - is more interesting imho. It is possible, but you should keep an eye on recovery vs. end drain from your powers. Conserve Power might be a good pick if you follow this route. You should also consider Maneuvers from the Leadership pool if you want to go for high(est) defense values.
Just wondering whether Aid self is a wasted selection on a db/wp build. I'm using ninja run for travel, so that frees a couple slots up, and i can fit in aid self as well as fighting pool and FA. I figure PP is not so needed with quick recovery.
Hero Plan by Mids' Hero Designer 1.621
http://www.cohplanner.com/
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Level 48 Natural Scrapper
Primary Power Set: Dual Blades
Secondary Power Set: Willpower
Power Pool: Leaping
Power Pool: Fitness
Power Pool: Medicine
Power Pool: Fighting
Ancillary Pool: Body Mastery
Hero Profile:
Level 1: Power Slice -- (A)
Level 1: High Pain Tolerance -- (A)
Level 2: Ablating Strike -- (A)
Level 4: Fast Healing -- (A)
Level 6: Combat Jumping -- (A)
Level 8: Blinding Feint -- (A)
Level 10: Indomitable Will -- (A)
Level 12: Mind Over Body -- (A)
Level 14: Swift -- (A)
Level 16: Rise to the Challenge -- (A)
Level 18: Vengeful Slice -- (A)
Level 20: Quick Recovery -- (A)
Level 22: Health -- (A)
Level 24: Stamina -- (A)
Level 26: Sweeping Strike -- (A)
Level 28: Heightened Senses -- (A)
Level 30: Typhoon's Edge -- (A)
Level 32: One Thousand Cuts -- (A)
Level 35: Aid Other -- (A)
Level 38: Aid Self -- (A)
Level 41: Kick -- (A)
Level 44: Tough -- (A)
Level 47: Weave -- (A)
Level 49: Focused Accuracy -- (A)
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Level 1: Brawl -- (A)
Level 1: Sprint -- (A)
Level 2: Rest -- (A)
Level 1: Critical Hit
Level 4: Ninja Run