The man posted a cartoon of a little boy and a little girl on the Internet (very intimate).

Not necessarily, the information that many people fill in online is not true, but you say that his label is single, which shows that he has a tendency to contact the opposite sex online, but not necessarily, more or less, to chat up the opposite sex online. As for the picture you mentioned, it depends on your personal preference. Although just looking at words or pictures can reflect a person's true thoughts to a certain extent, it is not completely accurate, and it is likely that you like it personally. Combined with what you said, it's basically a personal preference. "0000" is not very clear, and you can't talk nonsense, but it probably means OK.