Originally Posted by GM4Him
Besides, let's see what happens when you play multiplayer with a wizard at level five who wants to Long rest after every battle so he or she can replenish all their spells. Their argument will be why not because I can. Watch What happens. They'll OP everything in the game and leave you with nothing but clean up duty.

Then simply don't play with that person. The whole game doesn't have to cater to how you want to play it.