It seems that Charlie Sheen's separation was unusual, as the divorce papers he has filed show that it occurred on Xmas day. According to Facebook, that is the least likely day of the year for couples to split up. On the other hand, the data indicates that more couples split up before the 'Spring break' (March), on April Fool's day, before the summer holiday, in the lead up to Xmas and on Mondays.
These facts have not gone unnoticed at Messrs. Venal & Grabbit: