When wearing diapers, infantilists may urinate and/or defecate in them. Domesticated pigs are often trained to urinate and defecate in litter boxes. Both allow children to urinate and defecate without the pants being lowered. Most males prefer to urinate standing while others prefer to urinate sitting or squatting. Pain in the legs and inability to urinate continued. Symptoms include needing to urinate often (frequency), or taking a while to get started (hesitancy). They will not urinate, relieve nature, spit, or have any nasal secretions. Males with an enlarged prostate urinate more frequently. Mowrer detailed the use of a bedwetting alarm that sounds when children urinate while asleep. The intentions were to have people that drank the soft drink urinate green fluid. The dreamer may then urinate and suddenly wake up to find they have wet themselves. Male felids urinate backwards by curving the tip of the glans penis backward. It is also possible for females to urinate while standing, and while clothed. Males will also urinate on females to mark them. It is customary for some men to urinate in seated or crouched positions.