Sexual intercourse has to be avoided unless foreplay takes place according to Sunnah. Muhammad forbade acting like an animal with one's wife which indicates sexual intercourse without foreplay. Sex dice is a dice game intended to heighten the sexual atmosphere and promote foreplay. This turns into foreplay and they have sex. Psychologically, foreplay lowers inhibitions and increases emotional intimacy between partners. It may be used as foreplay, or as an alternative to sexual penetration. Tantric foreplay may also include Tantra massages. When used during partnered interactions, vibrators were incorporated into foreplay (65.9%) and intercourse (59.4%). The more radical branches even engaged in sexual foreplay. Copulation, including foreplay, can last over an hour and is repeated over several nights. It has also been recommended as a form of foreplay or safer sex. The Daily Princetonian" suggests rolling sex dice to "break the ice and extend [one's] foreplay. In captivity, courtship and mating foreplay have been documented. They are used during foreplay by many couples. He draws his weapon as they engage in foreplay.