why doesnt this if statement stop the function from playing when the value equals 0?

if StaminaValue.Value ~= 0 then
tool.Activated:connect(function()
	
	if humanoid and humanoid.Health > 0 then
		activated = true
	if Swing1Play.Value ~= true then
	Swing1Play.Value = true
		
	playSwing1 = humanoid:LoadAnimation(swing1)
	playSwing1:Play()
	swooshSound:Play()
	StaminaValue.Value = StaminaValue.Value - 5
	wait(.7)
	Swing2Play.Value = false
	activated = false
		tool.Activated:connect(function()
		
			if humanoid and humanoid.Health > 0 then
				activated = true
			if Swing2Play.Value ~= true  and playSwing1 then
				
			Swing2Play.Value = true
				
			playSwing2 = humanoid:LoadAnimation(swing2)
			playSwing2:Play()
			swooshSound:Play()
			StaminaValue.Value = StaminaValue.Value - 5
			
			wait(.7)
			Swing3Play.Value = false
			activated = false
				tool.Activated:connect(function()
			if humanoid and humanoid.Health > 0 then
			if Swing3Play.Value ~= true  and playSwing2 then
			Swing3Play.Value = true
				activated = true
			playSwing3 = humanoid:LoadAnimation(swing3)
			playSwing3:Play()
			swooshSound:Play()
			StaminaValue.Value = StaminaValue.Value - 5
			wait(.7)
			Swing4Play.Value = false
			activated = false
				tool.Activated:connect(function()
			if humanoid and humanoid.Health > 0 then
			if Swing4Play.Value ~= true  and playSwing3 then
			Swing4Play.Value = true
			activated = true
			playSwing4 = humanoid:LoadAnimation(swing4)
			playSwing4:Play()
			swooshSound:Play()
			StaminaValue.Value = StaminaValue.Value - 5
			wait(.7)
			Swing1Play.Value = false
			activated = false
			end
			end
	end)
			end
			end
	end)

any help is greatly appreciated