Best way to utilize UserInputService?

So I've been trying to figure out a way to use the service within the StarterPlayerScripts file. Everything should work all fine and dandy until the player the resets/dies:

Var = 0
Var1 = 0
player = game.Players.LocalPlayer

player.CharacterAdded:connect(function(char)
    char.Humanoid.Died:connect(function()
        repeat wait() until char.Humanoid.Health ~= 0
        Body = Instance.new("BodyVelocity", char.Torso)
        Body.Velocity = Vector3.new(-24,0,0)
        Body.MaxForce = Vector3.new(4000,0,4000)
    end)
end)

game:GetService("UserInputService").InputBegan:connect(function(Key, Condition)
    if player.Character.Humanoid.Health ~= 0 then
        if Key.KeyCode == Enum.KeyCode.D then
            Var = 1
            if Var == 1 and Var1 == 1 then
                Body.Velocity = Vector3.new(-24,0,0)
            elseif Var == 1 then
                Body.Velocity = Vector3.new(-24,0,-24)
            end
        end
        if Key.KeyCode == Enum.KeyCode.A then
            Var1 = 1
            if Var == 1 and Var1 == 1 then
                Body.Velocity = Vector3.new(-24,0,0)
            elseif Var1 == 1 then
                Body.Velocity = Vector3.new(-24,0,24)
            end
        end
    end
end)


game:GetService("UserInputService").InputEnded:connect(function(Key, Condition)
    if player.Character.Humanoid.Health ~= 0 then
        if Key.KeyCode == Enum.KeyCode.D then
            if Var == 1 and Var1 == 1 then
                Body.Velocity = Vector3.new(-24,0,24)
                Var = 0
            elseif Var == 1 and Var1 == 0 then
                Body.Velocity = Vector3.new(-24,0,0)
                Var = 0
            end
        end
        if Key.KeyCode == Enum.KeyCode.A then
            if Var == 1 and Var1 == 1 then
                Body.Velocity = Vector3.new(-24,0,-24)
                Var1 = 0
            elseif Var1 == 1 and Var == 0 then
                Body.Velocity = Vector3.new(-24,0,0)
                Var1 = 0
            end
        end
    end
end)

Now I know why the script doesn't work, but what I'm asking is, what is the best way to use this service so that it is efficient, simple, and functions even when the player dies. Please HALP!!!