rather than looking deep into the abyss of random detoggling when the blue runs out...
i offer this. In Health, the PROCS from sets Panacea, Miracle, and Numina. In Stamina, Perf Shift PROC, Perf Shifter EndMod, and Invention Origin EndMod.
This will solve 90-95% of ALL characters endurance issue. Expensive? In terms of using slots and buying Enhancers? Maybe... But you will probably never just bottom out Blue and sit there thinking.... "Maybe Snarky was right....."