https://www.google.de/search?q=%D0%BF%D0%BE%D1%81%D0%BB%D0%B5%D1%80%D0%BE%D0%B4%D0%BE%D0%B2%D0%B0+%D0%B4%D0%B5%D0%BF%D1%80%D0%B5%D1%81%D0%B8%D1%8F+%D1%81%D0%B8%D0%BC%D0%BF%D1%82%D0%BE%D0%BC%D1%8B&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:de:official&client=firefox-beta#hl=de&client=firefox-beta&hs=odr&rls=org.mozilla:de:official&nfpr=1&q=%D0%BF%D0%BE%D1%81%D0%BB%D0%B5%D1%80%D0%BE%D0%B4%D0%BE%D0%B2%D0%B0+%D0%B4%D0%B5%D0%BF%D1%80%D0%B5%D1%81%D0%B8%D1%8F+%D1%81%D0%B8%D0%BC%D0%BF%D1%82%D0%BE%D0%BC%D1%8B&sa=X&ei=1--KUPHnFarS4QS9xIBw&ved=0CCIQvgUoAQ&bav=on.2,or.r_gc.r_pw.r_qf.&fp=f432d6e564c9b0a9&bpcl=35466521&biw=1581&bih=708 вот найдите понятные для себя тексты и дайте мужу тоже почитать.