Just like on Twitter, I don't usually post very much, but I "like" or "favorite" a lot of posts from my friends nearly every day. I promise I am not a bot! If you know me in person, you know that I am the same way. I am mostly quiet, but I speak up when I have something to say.
@WaxTrax which is all fine. Just bear in mind that favoriting posts here only notices the OP. It has no effect on whether other people will see the post you favorited, because there are no algorithms here. The only way to increase visibility of a post is to boost (share) it.