There are 100 divorces every hour in the U.S. A third of all divorce filings of 2011 in the U.S. contained the word "Facebook.". The world's most expensive divorce was estimated at US$2.5 billion. A 99-year-old man divorced his 96-year-old wife after 77 years of marriage because he discovered an affair she had in the 1940s. No U.S. president has been elected after being divorced except for Ronald Reagan. The average divorcee takes almost 18 months to get over the split. Couples who live together before engagement have a higher divorce rates than those who wait. First marriages that end in a divorce usually last approximately 8 years. Einstein's Nobel Prize money went to his ex-wife as a divorce settlement. Divorce is illegal in the Philippines. 75% of people who marry partners from an affair eventually divorce. People who endure more than 45-minute commute are 40% more likely to divorce. Phil Collins divorced his second wife by fax. In 2007, A Bosnian couple divorced after discovering both had an online affair with each other under fake names. Whatsapp is cited in nearly half of all Italian divorce proceedings. Couples who spend more money on their wedding have a higher divorce rates, a study found. Arguing about money is the top predictor of divorce, a study found. In Islam, a man may divorce his wife three times, taking her back up after the first two times. Mail-order marriages are less likely to end in divorce than marriages overall in the U.S., a study found. Ronald Reagan was the only U.S. president to have been divorced. Only about 1 in 100 marriages in India end in divorce, one of the lowest rates in the world. In Malaysia, it's legal to divorce your partner via text message. In the UK, if you name the person your spouse was unfaithful with on your divorce papers, they will get copies of the paperwork. People who frown in photos are 5 times more likely to get a divorce than those who smile, research says. Couples in which one partner spends 10+ hours more than usual at work divorce at twice the average rate. Every nation in the world allows its residents to divorce under some conditions except the Philippines and the Vatican City.