singled women do feel treated differently because their colleagues are married, particularly in an office setting — they’re talking about their family and kids, planning to go out as couples.
Also, a man who feels in love with a singled woman will just concentrate on spending nights with the woman rather than on what they were called. And when that happens the progress of the company may be affected.
The subordinate clause here is 'until you finish your homework' and it is an 'adverb clause'. It is introduced by a subordinating conjunction, 'until'.
