Why does my part fade away before I even get to touch it?[SOLVED]

local debounce = true
script.Parent.Touched:Connect(function(hit)
    print("Touched")
    if hit.Parent:FindFirstChild("Humanoid") then
        if debounce then
            debounce = false
        while script.Parent.Transparency <= 1 do 
            script.Parent.Transparency = script.Parent.Transparency + 0.004
            wait(0.01)
        end
        script.Parent.CanCollide = false
        wait(3)
        script.Parent.CanCollide = true
        script.Parent.Transparency = 0
        debounce = true
        end
    end
end)

It checks if the object hitting it is a humanoid, so why is it still activating? Same goes with my kill brick, it keeps printing.