How can I fix touch and activate problem of tool?

Greetings!

I have been working on a tool with attack, run, idle animation and I have little problem with Touched event. The problem is when I click, animations plays and then if I come next to goblin and if my "Blade" in tool touches the goblin's Humanoid, goblin will lose damage. I don't want that. I want when I click somewhere and come with my "Blade" next to goblin he won't take damage. Only when I activate the tool and my "Blade" touches him in same time he will take damage. I hope you understood. Here is the script I have problem with:

local CanAttack = true

script.Parent.Activated:Connect(function()
    if CanAttack == true then
        local tool = script.Parent.Parent
        local idle2 = script.Parent.Parent.Humanoid:LoadAnimation(script.Parent.LocalScript.Idle2)
        local attack = script.Parent.Parent.Humanoid:LoadAnimation(script.Parent.LocalScript.Attack)
        local run = script.Parent.Parent.Humanoid:LoadAnimation(script.Parent.LocalScript.Run) 
        local idled = script.Parent.Parent.Humanoid:LoadAnimation(script.Parent.LocalScript.IdleDefault)
        local Humanoid = script.Parent.Parent.Humanoid
        idle2:Stop()
        CanAttack = false
        attack:Play()
        script.Parent.Blade.Touched:Connect(function(hit)
                if hit.Parent.Humanoid and script.Parent.CanDamage.Value == true then
                hit.Parent.Humanoid:TakeDamage(30)
                script.Parent.CanDamage.Value = false
            end
        end)
        if Humanoid.MoveDirection.Magnitude > 0 then
            run:Play()
            else
                idle2:Stop()
                run:Stop() print("Stop running -- line 64")
        end
        CanAttack = true
        script.Parent.CanDamage.Value = true
    end
end)