It does affect you too but it's useless.

Regen tics every 2 seconds and the soft caps for regens are way too low to make it useful. Also the 80% isn't a real 80% because you always hit the softcap.

Nothing can replace Breath of Life.

The health regen increase is largely worthless. The Stamina regen would be worth a crap if Templars were viable tanks because then you could completely ignore stamina while gearing (maybe just an additional few points), stack and talent for magicka/magicka cost reductions/magicka regen and keep this buff up as much as possible.

But it doesn't work that way. Because Templars are somewhere under Draugr crap as far as potential for anything goes.