I dont own a dog yet but I have to say that as a male I could never do it. In my subjective view it seems to me that men are more against neutering than women  . Compassion I guess 
Anyways I would never do it, I believe that you take the dogs masculinity with and change it because its body produces different ammount of hormones (we all know what kind of effects that has on humans).
So I am not for it
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