Sharing toilets with the oposite gender in the work place

Hello there , I`m hoping some-one will be able to give me a bit of advice . Some weeks ago my partner told me that in his work place , they have been told by their manager that the men can use the ladies toilets if the mens are out of order or busy , as the men only have one cubicle and 2 urinals in their restroom and sometimes if the cubicle is ocupied they simply walk into the ladies and use theirs , regardless of weather or not a woman is in there at the time ! I find this very disturbing as my partner tells me that some of the women dont realy mind , and they quite happily talk to the men as they are having a pee . My partner tells me that he doesnt use the ladies , he will use the other toilete facilities if he needed to , which are located on the upper floor of the train station ( 10 minutes away from his unit ) I dont believe him , i feel he is only sayng this to shut me up , as he knows i feel very upset thinking that my man would be quiet confortable sharing a toilete with a woman . We have had heated debates about this subject , and even though i want to trust him ...i feel he is lying to me . Once some time back we were talking about toilete cleaners ( Men cleaning the ladies ) and females cleaning the male toiletes , at which point i asked him if he was desperate to go for a wee and a female cleaner was in the loo would he still walk in and use the urinals , if she said it was ok , Yes ! you have guessed it , he said he wouldnt have a problem with it .... How can he get his manhood out while some woman is in the same room as him I think most men would think twice , but he shoked me with this revelation . Am i right in thinking that he is lying to me ? Ladies please tell me your thoughts on this one , i love my partner very much but if he ever did this it would destroy my trust in him . Thank you for any replies .x Lolita