I drop a leave a response when I like a article on a site or I have something to valuable to contribute to the conversation. Usually it's a result of the sincerness displayed in the post I browsed.
And after this post www.sh-ka.de. I was actually moved enough to post a comment

I do have a couple of questions for you if you do not mind. Is it simply me or does it give the impression like a few of the remarks appear like left by [url=http://omega-vcmp.com/index.php?action=profile;u=132828
]Youthful Brain Ingredients[/url] dead visitors?
:-P And, if you are writing at additional social sites, I'd like to follow anything fresh you have to post. Would you list the complete urls of all your public pages like your twitter feed, Facebook page or linkedin profile?