Tom's inability to deal with feelings does not make him a callous person.
I certainly feel this inability to make the kind of connections the movie is about.
Both girls said their inability to text message made them feel left out of the action.
Note that their inability to light a fire made it harder to take up smoking.
Its inability to rise more than a few feet off the ground made me cry with laughter!
Still, the inability to buy makes them feel as if they are living an extended adolescence, especially because they're eager to start a family.
A child's inability to describe the symptoms of disease often makes diagnosis more difficult.
Perhaps his inability to feel fear or despair just made him appear that way.
The Speaker's inability to distinguish between the two made it more difficult.
And his inability only made the need to do so the greater in his mind.