It is never a bad idea to consult with an attorney before talking to your spouse about wanting a divorce. Divorce can be a difficult and draining process. An experienced attorney can give you some guidance about how to approach this difficult conversation.
If you are concerned about the custody of your children or there are numerous assets at stake, you should talk to an attorney first. Talking to an attorney first will help you understand your rights and the steps you will need to take.
Have confidence that you are making the right decision for yourself and your family.