so i recently broke my mouse after raging and now until my new mouse arrives i have to use E to shoot as my left click isnt working. to make myself feel better who else plays with weird keybinds?

hello, my current sens in 800 dpi and 1.009 in game, all my friends has been saying that my sens is WAY to high, idk know if its that high but i dont know if i should switch? If so then what? i have no idea what the normal sens is and no...