during his career. Sex In a book written by Yehuda Berg, a former teacher at the center, he recommended that men not masturbate as semen generated without loving, shared intention does not serve its purpose. He also wrote that a man should not orgasm before the woman, as it injects selfishness into the act of love making. Other thoughts on sex include that a man should not orgasm with the woman positioned above him, as she is then drawing energies into herself from below, instead of above. The most Light is derived from sex that occurs just after midnight on Saturday morning. Celebrity followers Madonna studies regularly with a personal Kabbalah Centre rabbi, no longer gives concerts on Friday night (which is the onset of Shabbat), wears the red string around her left wrist for protection and to ward off the "evil eye" (Ayin Hara), has introduced Jewish ritual objects such as tefillin ("phylacteries") into her videos and tithes regularly to the Kabbalah Centre. In July 2006, it was reported that Madonna was leaving the Kabbalah Centre and one media columnist speculated that one reason was alleged financial irregularities of donations to the centre. Despite uncorroborated allegations of financial irregularities, the rumour turned out to be false, and Madonna continued to attend Kabbalah Centre events. In August 2006, Madonna collaborated with the Kabbalah Centre on a project called Raising Malawi, which provided relief aid to the African nation of Malawi. Celebrity followers include Ashton Kutcher, Mila Kunis, Demi Moore, James Van Der Beek, Marla Maples, Madonna, Ariana Grande, Frankie Grande, and more, according to social media, etc. Celebrities that have been associated with the Centre include Britney Spears, Diane Keaton, Roseanne Barr, Sandra Bernhard, Anthony Kiedis, Mick Jagger, Jerry Hall, Lucy Liu, Alex Rodriguez, Rosie O'Donnell, Naomi Campbell, Donna Karan, Elizabeth Taylor, Paris Hilton, Nicole Richie, Kyle Richards, Heather McComb and Lindsay Lohan. Controversy and criticism Beginning in 2011 the centre was put under investigation by the IRS and FBI for financial malfeasance, following the abandonment of the Raising Malawi school project with millions of donors' dollars unaccounted for. In 2012, a Kabbalah Centre charity, Spirituality for Kids, accepted a $600,000 donation from an 87-year-old woman who some claim had dementia. In November 2013, two lawsuits were filed by former donors alleging that their gifts were misused. Other media criticisms have alleged that The Kabbalah Centre is an "opportunistic offshoot