I doubt that there is any correlation between these two things. Atheists, like theists and deists, are individuals with many different views about many things. They just happen not to believe in any god. They may still have views of right and wrong that are very similar to those of religious people.
In the situation where a person suffering with an incurable disease, Persons of any religion or no religion may or may not euthanasia is the more merciful alternative compared to having the person spend more time wasting away.
Most doctors are against euthanasia.
The only common "belief" of atheists is that there is no god or supernatural beings. There is no united atheist position on euthanasia (or for that matter on the best flavour of ice cream). Each person must determine their own position.
same as everyone else...
Because you die. You can't feel pain then.
No.
I don't think it's just atheists who feel this - some people of all kind of beliefs and philosophies feel that marriage is not for them.
Atheists feel the same about their friends as everyone else. They feel the same as Catholics, Protestants, Jews, Muslims, Wiccans, artists, musicians, firefighters, mail carriers, people who like chocolate chip cookies and people who like the color blue do about their friends.
No. Mostly groups who feel threatened by the meer presence of an Atheist do.
Certainly. If the being is dead, he, she or it cannot feel anything. Neurotransmitters stop working.
They all make the general public feel uncomfortable, yet opinionated?
Euthanasia is illegal in Sweden.
No, euthanasia is illegal in Greece.