It is used to introduce a new subject or move on to a different part of the same topic.
The example above looks to me as though the speaker had something unpleasant that he needed to say or had to say and then wanted to move on to something more pleasant. It can be used in this way or to move the subject forward.
Imagine a wedding reception. The best man has just got up and tol
Thank you for taking your time for the writing. I think I've got your point, even though can be sure for 100 percent. I'll catch it on every time I use it anyway.