When it is over, to me it is over. Done. Kaput. Adios. The end. Good-bye.
PhotoShop your ex out of all pictures and replace them with Johnny Depp. Delete their profile from your MySpace. Sell the birthday gifts you received from them on eBay. Change their name in your cell to "do not call or pick up unless you are sober" just to reinforce the consequences of making or taking that call after $2 shot night at the local dive bar.