Become single parent for a woman, whether because of their partner died or because of a divorce is like a boat that will go shaky. At th start the boat is calm because they have their partner as the balance but suddenly when their partner isn't there it will make the boad go shaky and move irregularly. If we go panic the shaky will getting more and more, and the passengers inside could fall from the boat.
So if mothers experienced this thing, all you gotta do is stay calm. As human it's reasonable that at the first you feel a deep sadness because your partner has died or you feel anger because of the divorce. But don't let it go on and on, look at your children's eyes.... they feel sadness more than we feel. Your calm will contagious to them so they'll feel it too. You're the captain of the boat, if you can take care of it your boat will be back calm down.
What if we already stay calm but the boat still shaky violently because of the big waves? Keep calm and don't be reckless in taking an action. Follow the flow, keep holding hands with your children that will give you a power, always believe that all storms will surely pass.