Well if the only reason you aren't going to take E yet is because you are worried about breast growth, let me give you my take on it. So if you happen to be similar to me at all; from a family lineage with women that do not have gigantic breasts and I'm really skinny to start, so I don't have any fat around the breast area to start. I'm at 4.5 months and the breast growth that I have is barely noticeable only with my shirt off but with a shirt on, no one can tell. As for the changes spiro has, you definitely could experience the changes you listed as well as others possibly.