Forgotten

Two kids, that were being raised to be evil, were best friends. As they grew they disowned there learning and thought if they were happy, then anyone can can be happy. There parents strongly disagreed about these decision and decided to part the two. A week later they they moved, and the two kids grew very sad and lonely. Ten years later the two kids had forgotten about there childhood friends and where two of the most evil people. There was only one thing, the two kids always had this feeling, like a hole missing inside of them. Will the two kids every figure out what's wrong, or will they be forever forgotten?