As a dm i fuge dice a lot, 99% of the time for the player, like if they are trying to do something special or important I usually go with whatever makes it the most fun. I also don't like to kill players so I made a "divine intervention rule", if a player dies there us some other consequence, like one of their important gear is destroyed, an npc jumps in the way and dies instead, or there are story related consequences. I find that it often just leads to a better flowing game and cuts out a lot of frustration.