Too much meaning you are taking nolva for too long?
I am not a big fan of nolva as an anti-estrogen, it is an agonist and antagonist to estrogen.
So, with some tissues it blocks estrogen and in others acts like an estrogen.
I do believe the prostate is one tissue that nolva acts as an estrogen on.
If I am even remotly right then id suggest this is not the way to go during.
An AI used during a cycle will keep estrogen at a management level.
Estrogen is necessary for gains or helpfull anyway

, but too much is very supressive and sides can manafest.
I like Adex as it has a long half life so twice a week doses were cool with me.