Yeah, again that's understandable. Her dislike for men and most of humanity is because of her story which I haven't finished yet. To put things short, a lot of people who treated her cruelly were males, while the one person who understood her and wanted to be friends with her was a female.
As for her personality, I could've added a bit more, it seems a bit bland to me. The reason I needed her to be mostly sad was to avoid her becoming too much of a mary sue