Blended families already have complicated and nuanced dynamics without adding pranks to the mix. However, once you overstep into that territory, things get more sensitive than you originally planned. For this family, matters heated up when a stepson pranked his stepdad, compromising all the hard work he had put into preparing a presentation for months. Talk about a prank gone wrong. Pranks can be fun and harmless, but when you take it a step further, not everyone may find it as funny as you, es…