There are the following possibilities WHY your E-mail never got a reply:

1. The answer is already here
2. You didn't give me a valid return address;
3. Your E-mail had an accident on the way and never got here;
4. You called my horse a mule and now I'm depressed, drinking myself to death in a bar and can't reply;
5. There can be only one, so hang on!
6. I finaly struck it rich and went out to splurge on a package of Top Ramen, when I come back I'll reply
7. I'm tripping, gimme some time;
8. I'm working (Ha!), just hang in there for a while;
9. I'm having sex (Ha!), just hang on a sec;
10. I'm stuck in the can, hold on real quick;
11. I'm ill, wait just a little bit
12. I'm sleeping, wait.
13. I've got a hell of a hangover, maybe tomorrow I'll reply.
14. I'm trying to remember when it was and to resolve that little sexual harassment problem that showed up all of a sudden, give it a couple of weeks;
15. I'(CHOMP)m eat(CHOMP)ing, wait a sec.
16. I watching some bizarre psychedelic anime which is giving me a narcoleptic fit, haaaannnnggg ooooon;
17. I was shanghaiied on a suicide mission by Lee Marvin, call Bond, James Bond;
18. I'm in a harem surrounded by Tiffany Shepis, Kirsten Dunst, Baby Spice...wait, call the christian science practitioner, I'm just delirious from fever;
19. I'm condemned to use Windows cuz Macs are too damn expensive, if it works again I'll reply.
20. I wanna make money fast but not on the Internet;
21. The Truth is out there and I just stumbled upon it, call Mulder & Scully...wait, scratch that, get me just Scully;
22. The CIA found me, I'll reply in 20, 7 if my solicitor is any good.
23. My hand hurts, it's hard to type;
24. My hand has developed a life of its own and refuses to type unless I promise to never again...hm, you don't wanna know.
25. I haven't a bloody clue on how to help you with your school work.
26. I found your e-mail useless, send me a more intelligent one.
27. I did reply, but I did it so fast you read it and forgot.