: She has praised Kaulitz's stamina, rating herself a "nine" on a scale from prude to "complete pervert" and confirming they engage in "marathon lovemaking".
: Klum famously referred to sex as her favorite form of exercise, using the French phrase "Sport en chambre" (bedroom sports). She noted that having a younger husband helps her stay fit without needing a heavy gym routine. : She has praised Kaulitz's stamina, rating herself
: When asked to summarize her sex life in three words, Klum described it as "Endless, hot, wild" . : She has praised Kaulitz's stamina
: During the holidays, Kaulitz jokingly referred to their private time as "sexgiving" when asked about their plans. Ways They Keep the Spark Alive Klum described it as "Endless