probem with particles help please?

this is a script that if you press c, you will sit and get some particles, but they dont stop, how do i fix it? mouse.KeyDown:connect(function(key)~~~~~~~~~~~~~~~~~ view source

1 if key == "e" then 2

3 player.Character.Humanoid.Sit=true local Player = game.Players.LocalPlayer local Particle = Instance.new("ParticleEmitter") Particle.Parent = Player.Character.HumanoidRootPart --- Particle.Color = Color3.new(255, 255, 255) --- Particle.LightEmission = 1 --- Particle.LightInfluence = 1 --- Particle.Size = 1 --- Particle.Texture = "http://www.roblox.com/asset/?id=540295385"--- Particle.Transparency = 0 --- Particle.ZOffset = 0 Particle.EmissionDirection = "Top" Particle.Enabled = true Particle.Lifetime = 0, 10 --- Particle.Rate = 5 --- Particle.Speed = 5 --- wait (1) Particle.Enabled = false end end) ~~~~~~~~~~~~~~~~~ ALSO is there a way to make a sound play if this is used just to know?