Aiming Down sight script problem?

I recently wanted to fix up an aiming down sight script to my pleasure.I wanted it to where the player has to wait a little before UnAiming without it glitching so i tried to make up a debounce, i ended up coming up with this. It worked,But of course it came with a catch and that was that UnAims by itself. So i was wondering if someone could help me fix this to where it doesn't UnAim by itself? Here is the script.

local Tool = script.Parent
aiming = false

Tool.Equipped:connect(function(Mouse)
	Mouse.Button2Down:connect(function()
	if not aiming  then 
        aiming = true
		Tool.Aim.Value = 0.1
		Tool.ZoomedIn.Value = true
		Tool.Parent.Humanoid.WalkSpeed = 10
		Tool.GripPos = Vector3.new(0, 0.1, 0)
	    wait(0.07)
		Tool.GripPos = Vector3.new(0.2,0,0)
	    wait(0.07)
		Tool.GripPos = Vector3.new(0.4,-0.0,0)
	    wait(0.07)
		Tool.GripPos = Vector3.new(0.6,-.1,0)
		wait(0.07)
		----------------------------------------------
		game.Workspace.CurrentCamera.FieldOfView = 70
		game.Workspace.CurrentCamera.FieldOfView = 65
		wait(0.07)
		game.Workspace.CurrentCamera.FieldOfView = 60
		game.Workspace.CurrentCamera.FieldOfView = 55
		wait(0.07)
		game.Workspace.CurrentCamera.FieldOfView = 50
		game.Workspace.CurrentCamera.FieldOfView = 45
		wait(0.07)
		game.Workspace.CurrentCamera.FieldOfView = 40
		game.Workspace.CurrentCamera.FieldOfView = 35
		wait(0.07)		
		game.Workspace.CurrentCamera.FieldOfView = 30
        wait(1)
       aiming = false
       
if aiming == true then repeat wait() until aiming == false 
	else do
		game.Workspace.CurrentCamera.FieldOfView = 30
		game.Workspace.CurrentCamera.FieldOfView = 35
		wait(0.07)
		game.Workspace.CurrentCamera.FieldOfView = 40
		game.Workspace.CurrentCamera.FieldOfView = 45
		wait(0.07)
		game.Workspace.CurrentCamera.FieldOfView = 50
		game.Workspace.CurrentCamera.FieldOfView = 55
		wait(0.07)
		game.Workspace.CurrentCamera.FieldOfView = 60
		game.Workspace.CurrentCamera.FieldOfView = 65
		wait(0.07)
		game.Workspace.CurrentCamera.FieldOfView = 70
		-----------------------------------------------
		Tool.ZoomedIn.Value = false
		Tool.Aim.Value = 15
		Tool.Parent.Humanoid.WalkSpeed = 16
		wait(0.07)
		Tool.GripPos = Vector3.new(0.6,-0.1,0)
	wait(0.07)
		Tool.GripPos = Vector3.new(0.4,0.0,0)
	wait(0.07)
		Tool.GripPos = Vector3.new(0.2,.0,0)
	wait(0.07)
		Tool.GripPos = Vector3.new(0, 0.1, 0)
	end
	end
end
end)
end)