It is one thing to believe it is a good idea but you just don't know the impact or the effect of what you are doing.
It is ok to call it quits. Sometimes it is necessary or the right thing to do. But if you are in it for a while you might find out that the blog and your work is important. Well, you are important no matter what but in the wee morning you question the value of the blog/vlog.
This video is podcaster Andrea Ross (I don't want to type the words former, I want to hope when she is ready she will get back to it.) talking about her children literature podcast, why she stopped and what she gained after the fact.