Boyfriend: *watching TV* You can use the rule of thumb to determine how thick the wall is? What, if your thumb fits in the hole, you can shove in the TNT? And beat your wife with it? So, you guys want to beat your wives with TNT. Well you can bet it's be an explosive breakup. I mean, if that happened, they'd NEVER get back together again... but hey, at least it'd end with a bang!