Well, first is your husbandry correct? These questions are a bit of a pain in the butt, but if you answer them first, other members can help tell you if something needs to be adressed within your set-up to minimize stress or potential illness.

How long have you had your snake for?

How old is your BP?

How big is your BP (weight)?

What type of enclosure do you use?

How big is your enclosure?

Is your enclosure in a low traffic area?

What are your temps (cool & warm side)?

What is your humidity?

What type of thermometer/hygrometer do you use (dial,stick,or digital)?

What kind of hides do you provide (log, homemade, cubbyholes etc) and how many do you have?

Are your hides tight (all side touching your BP's body) and identical?

How often do you handle your BP?
Thanx for the quote on the questions to Deborah, I don't know where they originated.