a few collocations of "obsess"

Would you tell me whether I am right with my interpretation of the expression in bold in the following sentences?

A CIA agent obsessed with apprehending Carlos deploys a US Navy man who resembles the terrorist and schemes to discredit him in the eyes of his employers.

The writer was obsessed with thoughts of death.

The idea that he might lose his position obsessed him

She was obsessed by a desire to become a scientist.

Stop obsessing about your weight. You look fine.

She was obsessed with evil spirits.

obsess = to excessively preoccupy the thoughts or feelings of; to haunt the mind persistently

Thanks for your efforts

Yes.

Hi MM,

Thank you for your kindness.

Ivo