1. Well, maybe he can`t smell the stinkiness.
不过，也许是他的男朋友真的不能闻出这些臭味来。
2. The stinkiness of poop is not an irreducible fact about the universe.
大便的臭味，是宇宙中不可约的事实。
3. Rather, the stinkiness of poop is a fact about human psychology.
相反，大便的臭味，是人心理的事实。