Just focus on Vitality, pick a low difficulty level, and slowly grind the game.
Never died, had 1 close call due to Frozen.
"Games aren't hard if you lower the difficulty" is a strange argument to make.
You can take a level 70 weapon with a gem of ease, jump in at Torment VI and level a new character from 1->20 in sixty seconds even when playing solo.
Let it go.
Just focus on Vitality, pick a low difficulty level, and slowly grind the game.
Never died, had 1 close call due to Frozen.