A businessman got on an elevator.<br />When he entered, there was a blonde already inside who greeted him with a bright, "T-G-I-F."<br /><br />He smiled at her and replied, "S-H-I-T."<br />She looked puzzled and repeated, "T-G-I-F," more slowly.<br /><br />He again answered, "S-H-I-T."<br /><br...