Translation of Erwachsenenalter

One of the most difficult problems I have (and I am sure that others have it too) is getting used to the superficiality of the life in the US. To be superficial means to me not to be able to recognize.
I think that subconsciously she means that her pregnancy has become a white eleph. But even though she compares her pregnancy with the large, grey animal a moment later she regrets it and says it.
The reason for doing an excursion to Macau was that we had to catch a flight back to Thailand. Air Asia offered a ticket for 50$, while the same flight from Hong Kong would be over 200$.