It really is personal preference! I got a girl bc I did not want to deal with humping, spraying/marking and I am a bit squeemish when dogs little weewees come out LoL.. But I will say that Marley ( female ) is kinda moody like a human female at times haha. I have heard that the male dogs bond more with female humans and females bond more with male humans also somewhere on here. I have not had any proof of that though. Marley loves my DH and I equally I think. By the way, I live in an apartment too and Marley is so small ( 4 lbs ) that she runs crazy around everywhere. So I know this doesn't help, but either is a good choice in my books
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"No man can be condemed for owning a dog. As long as he has a dog, he has a friend;
and the poorer he gets, the better friend he has."