But, But, But
On the contrary; indicating an exception.

  No doubt you have heard someone stammer those words as they try to rebut something that was said. And you probably have heard the word used to indicate an exception to something said. It is a conjunction that sometimes needs to be replaced by a period (.). Consider the following examples where the sentence needs to end with a period where the word "but" appears.
I shouldn't be telling you this, but I just have to tell someone.
I know it's wrong to do it, but it shouldn't hurt to do it just this one time.
I realize I need to be more regular in attending church, but I have so much
to do on the weekends.
Someone said to Jesus, "I will follow You wherever You go . . . 
but permit me first to go and bury my father."
Another also said, "I will follow You, Lord;
but first permit me to say good-bye to those at home."
Jesus' reply was: "No one, after putting his hand to the plow and looking back,
is fit for the kingdom of God."
Luke 9:61-62
I need to love God with all my heart, soul and mind; and
love my neighbor as myself, no "buts."