My suggestion is guys: don't do this surgery to get girls. I don't think much will change for you if you are >165, if you are 150 ok that's a bit of a problem but if you are reasonably short (165-175) that's not the main problem. Most girls are around 160/165 even in countries where average height is pretty high. If you are as tall as a girl or slightly shorter you can get her.
I am short and I got approached quite a lot in bars/clubs, at least once or twice every time I go out, yet of course if I was tall I would surely be approached 5 times more. But the difference here is not 0 to 100, this is a difference from 2 to 10, which means that with 2 is still possible, you just need to play it well, and go out a lot.
Honestly I don't think short stature is the problem to get girls, of course is more difficult but yet is possible (even with very attractive, slightly taller than you ladies), thing is: taller is way easier, and most importantly YOU feel better, which reflects as a boost in your confidence as well.
There are some limits of course, someone 165 needs a miracle to get a girl 180 for a relationship, the difference is huge. But beside these limits all the rest is possible.
If you are 165cm and NO ONE approach you and you CANNOT get a girl (not a fking supermodel, I'm talking about a decent to very good looking girl, 6,7,8) getting 178 won't change much in my opinion, the problem is somewhere else: a) you don't take care of yourself, b) you're face is really ugly, at this point might be a better option to get a nose-job, or c) you look creepy and not confident at all and they won't approach.
I seriously think some of you have problems, like people who ask if 190 is tall enough, man, you have a problem. Clearly not your height.