I posted a while back asking if anybody had any anecdotes for taking smaller doses to alleviate sides. Well I bit the bullet and bought a pill cutter last Thursday and from then until Monday took 0.5mg fin every day. It was by the Monday that I woke up with proper morning wood for the first time in weeks and had the horn all day. At this point I noticed more hair in my hands than normal after washing, so went back to 1mg Monday night.
You should probably stay on the half dose as it is 80% as effective as the full dose.