how do i make my ruler not do damage while idle?

hi = false
script.Parent.OnServerEvent:Connect(function()
	script.Parent.Parent.Blade.Touched:Connect(function(hit)
		local human = hit.Parent:FindFirstChild("Humanoid")
		if human then
			human.Health = human.Health - 1
			hit.Parent.UpperTorso.Velocity = Vector3.new(0, 0,250)
			wait(.1)
			hit.Parent.UpperTorso.Velocity = Vector3.new(0, 0, 0)
		end
	end)
end)