Do you get nervous talking about the Holy Spirit!!!!

I have been a christian for 23 years.  In my experience the Christian world is passionate about talking about God.  It's passionate in talking about Jesus.  But Christians get a little nervous talking about the Holy Spirit because the Holy Spirit is the topics that has divided much of the church.  So in an effort to not divide the church we down play the Holy Spirit.  But is that the correct response?  Why do we get nervous?  

Jesus says in John 16:7 that the Holy Spirit is for our benefit...Not to increase heartburn.  

So, in the weeks to come I will explore the Holy Spirit.   A broad stroke.   A biblical stroke.  Everything from who the Holy Spirit is, to what he does, to how he can be a benefit in our lives.