If you mean the drawing itself... i don't know exactly because i do not have much time so sometimes it is for weeks on my drawingtable
I started from scratch ( first time i held pencil in my hand) in 2008. I liked it and began looking for tuts. In the beginning i used grid method ( sometimes i still do but large grids now) then i used my ruler and now i mostly draw freehand. What i want to say is NOTHING IS IMPOSSIBLE , if you want ,you can ! the only rule is PRACTICE,PRACTICE,PRACTICE.
yes one day you will!! never say never and practice a lot. Keep your drawings don't trow them away and within a time you will be surprised about your imrovements. Try to do tuts , learn techniques and draw every day, even only 5 minutes. Good luck !