>>211601168
She got tired of doing the MI movies right in the middle of the climactic two parter which totally fucked up the flow of the movies and forced the writers to make Grace the love interest despite Ethan spending almost no time with her.

Why did Ethan care about about Grace so much? They barely spent any time together and she tried to double cross him multiple times. Yet by the last movie the audience is supposed to think they were in love?
>inb4 she has nice tits