Family puzzles

[Marta]

The twins:

The twin dies because his brothe make laugh and he's choking with an ice cube.

The married couple and the plane crash:

She doesn't reack because the plane isn't the company that had been crashed.

[more solutions....]

The twin died because they asked for one drink, and the faster twin, don't leave
drink to his brother, so.... the body was deshidrated. "!!

The other: the wife is deaf...so, she don't hear the news (the film was speacil for deaf person)

[Ricard]

The husband doesn't die because is the pilot and the text says die all passengers, ja ja! It's a crazy idea but i'm not inspired today, sorry.