Why mothers feel much more afraid on death?

There is an article catch on WeChat, it gives rise to mothers’ sympathetic response. It’s talked about why mothers feel afraid on death much more than others. It’s said that if mother dies, the kids without mother will become so pathetic. If mother dies, the stepmother will burst into the house and bear away the husband, and hit the kids from ex-wife. The kids without mother will be bullied by other kids and endure other ways of making fun. What a sad life mothers can’t tolerate. So it’s said that mothers are too sensitive as long as it’s talking about their kids. So mothers deeply realize that it’s very necessary to keep healthy, only have good body that could protect their kids.

The article speaks much more humorous than what I related above, it’s interesting and funny, also seems a little bit exaggerated, but it’s true for some extent.