Parke5, that body mass thing you were on about is your BMI (body mass index) and 21 is about right, you need to get your body fat % though. But as a first cycle you should use Test E on its own for 12 weeks followed by PCT or even Test E 12 wks and Dbol weeks 1-4 followed by PCT 2 weeks after last test shot. But saying that there are many beginner cycles. The ones i have mentioned are probably the most used. Here are some links for you for other cycle ideas and diet help.

Have a browse in here for diet ideas/help: http://forums.steroid.com/forumdisplay.php?f=6

And here for cycle ideas: http://www.steroid.com/steroid_cycles.php

Hope this helps