It's sort of like the ending to Chinatown, only not as depressing. In other words, the ending is, "that's life", and sometimes you gotta swallow some bitter pills (the Ark's fate) even as you're discovering some sweet ones (Having a relationship with Marion)

Until Marion inexplicably disappeared in The Last Crusade. Because Hollywood writers have never been able to figure out how to keep a romantic relationship going after the climatic hookup or marriage, so they would just write them out and make up a new one in the next installment. Often as a reflection of their own repeatedly failed marriages.

It's sort of like the ending to Chinatown, only not as depressing. In other words, the ending is, "that's life", and sometimes you gotta swallow some bitter pills (the Ark's fate) even as you're discovering some sweet ones (Having a relationship with Marion)

Until Marion inexplicably disappeared in The Last Crusade. Because Hollywood writers have never able to figure out how to keep a romantic relationship going after the climatic hookup or marriage, so they would just write them out and make up a new one in the next installment. Often as a reflection of their own repeatedly failed marriages.