Very brief mild to low moderate references. There is a section on puberty at the end.
Violence & Gore
None
Descriptions of mild violence, all played for laughs.
Profanity
Severe
About 80 uses of "fuck" and its variants.
Bastard is said about 10-20 times, and similar amounts of the d-word, h-word, and S.O.B. Very mild expletives such as crap, bloody, and bugger are said about 5-10 times.
Religious topics are frequently discussed in strong detail; strict Christians will very likely be moderately to strongly offended at some parts. Racial topics are also occasionally discussed, though not as strongly.