I understand the need to point the finger in another direction and accuse other groups, considering that it's an ugly truth to tell the fact that Western males engaging in paedophilia in Asia is a big market, but I was only saying it because the OP was wondering about the reaction towards Western males.
But some of what you said is absolutely true, though. You're right.

Im just 5y older then my gf and Ive noticed then when people ( men & women ) see us, they constantly look at my gf. Im bit a nervous, coz I was told that some Chinese men think like " those foreigners are stealing our women" and Chinese women think " that bi** sold her body for money with rich laowai " In Shenzhen we didn't have that problem at all, here its just too much. Sometimes they even obviously stare on our holding hands. Or if I give her just quick/short - Hi/Bye kiss, when look around after, can see "thousands" eyes looking at us, some people were even pointing on us. Is that something against local culture? My gf was assuring me that is not the case, that is just a jealous people problem. Im not sure :-(

@Alexez
The staring is a 'curiosity' stare most of the time. It's happening less as more foreigners come here. 9 years ago it was much worse. So, don't think that it's because they are jealous. It's a 'curiosity' thing.

There is definitely an attitude held by some Chinese people of 'why would you date/marry a foreigner when there are so many Chinese men?'. I've seen it written online, even a friends wife got asked it by a stranger. Of course the question is rooted in ideas of racial/national loyalty. My wife is several years older than me, but because I look older and she looks younger, we look roughly the same age. Given that she was what some might label 'leftover' (a horrible term I don't like to hear) I think that her family are happy that she is married finally, even though they probably never envisioned or hoped her husband would be a foreigner!

in all honesty its tough, aside from looking at the motive and the culture. is it safe to say there are chinese women who actually look for love being first ( companion for life, both can exist, grow old ) compare to security?

i got a american friend who gf was ask by a stranger why is she with a foreigner and questions her nationalism etc.

i also got another friend who is the women who wed her husband which is only 4 years younger than her dad and they are in their forties that one time told me there is no use being handsome its all about the money, the fact that if she give birth to a boy she gets a money reward from the husband and his family.

aside from this, i cant push the blame on the man. i mean who doesnt want to be like or felt loved or worst just to have a good looking young woman beside you all the time.

@Shoei: your question: yes, just like anywhere else, but few women look for LACK OF security.

I can only add a few anecdotes, that say a little about attitudes.

My Chinese wife was asked, why are you with a foreigner?

A Chinese friend of ours, age 48, married his 22 year old Chinese bride, nobody commented.

When my wife broke her leg, and I was pushing her around in a wheel chair, we heard the comment, 'why is he with a cripple when he could be with a healthy woman?'.

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Liumingke1234, well, they r staring at her mostly, and She is local. KM girl. So Im not sure what curious is on her? Thats why Im nervous, coz Im afraid they r actually thinking some wrong way about her. One time, when I got in conflict about parking bike, and my gf was defending me, the woman told her She sold her self to a foreigner.

narrow-mindedness, small village mentality, people stuck in their ways, judgmental, meddling in other people's affairs, maybe some racism and envy mixed in. just get the hell out and ignore them. and unbrainwash your gf from their bs if necessary.