~~I'd add a D and balls to their antomy, right above the P. It would make sex more interesting and make hentai more realistic.~~
Oh. From social interaction and dating. I think I would make their beauty/attraction rating more evenly distributed, like men rate women. It's really sad that they (women) can't feel attraction for someone who isn't a rich bodybuilder and feel like they are always settling. Meanwhile, somewhere there is a dude beating for an old obese woman...
If you Google it, you'll see that it's Gmail.
Hope I was able to help.
You are welcome.