Once you have a good idea about what you want in the years to come, start to take some steps to get headed in this direction. It will help give you a sense of direction and purpose, so that you don't waste these years wandering around like a dazed deer.
B) When should I start dating again?
Don't feel a need to rush into dating relationships right away. This is something people often feel compelled to do, either to try and keep up with an ex who left them for another person or because they feel a need to re-establish this aspect of their identity. But jumping in too soon can throw more turmoil into the lives of children, and it often leads to poor choices. It won't serve your interests to jump right into a bad relationship that then takes you another year or two to get out of and recover from. So take your time, and date for the right reasons. There's no rush, and it's certainly not a competition with your ex.
C) Rebuilding your finances after divorce
Divorce causes a substantial hit to your financial situation, in more ways than one. Here are some things you might want to consider in getting back on track: