Dating and the Tinder Revolution. The last time I saw him, I asked him if we could define our relationship. In response, he started talking, but somehow didn't. There is a thin line between casually dating online and becoming dangerously infatuated. So what are the signs that you are turning into a stalker? EXCESSIVE ‘LIKING’ It’s OK if you ‘like’ a post or two by your online acquaintance or. Dec…