Kelly ' s defense has been awesome tonight <| sep |> Bo Derek couldn ' t act . She only had looks going for her . <| sep |> Honestly , I would drop him , then . Someone that ' s your friend would listen to you and try to understand where you ' re coming from and why you ' re angry , especially when it comes to racial slurs . <| sep |> Is it sad that I ' m cracking up right now watching him blast these children ? <| sep |> You ' re getting into the realm of physics that ' s hard to conceptualize even for people who study it for a living . Basically if you just keep changing reference points you can go arbitrarily far into the past with arbitrarily small displacement , assuming you could achieve superluminal travel . Exactly what changing reference points means is the subject of a 500 level university course on relativity .