Marriage is a sacred commitment that is entered into with eternity in mind. Occasionally, though, irreconcilable differences lead to the end of a marriage. Breakups are painful at best, but when kids are involved, matters get significantly more difficult… The story that follows is of a frustrated step mom. The Original Poster (OP) and her partner are both parents to children from previous relationships. OP has one child, whereas her now-husband, has three. After getting married, they successful…