*edited for lamenesshttp://en.wikipedia.org/wiki/Triplewart_seadevil
You think your life sucks?! Look at this fish!
"Males are free swimming when young but before they mature these small fishes (about a tenth the size of the female) attach themselves permanently to the hind body of the female and become parasitic. Their blood supply becomes continuous with that of the female and most of the internal organs degenerate; in essence the male becomes an appendage to supply sperm when required." - Wikipedia
The rule of thumb is if the Navy pays you before you get to OCS, you will have to serve enlisted time (active duty prior enlisted, BDCP, NUPOC). If not, you get an administrative separation and go home. Be advised that out-processing takes longer than going through the program itself and graduating.
If you DOR from OCS you will get clamidia and die. Clamidia, that's K L A...