Your children have not separated and you are still their parents, and they have the same siblings, grandparents and extended families, and the same birthdays they always had. Help them to understand that and to talk about how they feel about the changes - whilst reminding them about what has not changed.
2: Demonstrate respectful behaviour towards the other parent in front of the children
If there is one magic bullet, this is it: your child needs to know that even though you no longer want to be together, that mum still says that dad is still a great parent to have and mum says the same about dad.
3: Share birthdays and family occasions and festivals
And be fair about time allotment with both parents. Ever asked a child to choose which half of a chocolate bar they want? Kids are hardwired for fairness.
4: Make sure you have clear adult agreements in place
Using your child as a messenger about money or about how many nights they are to stay with you is a fast way to make your child desperately over burdened and unhappy. Don't do it.
5: Communicate about your children - even by email or text
Your kids need to know you are still in the driving seats of their childhood. Let them know how much they matter to you both. Remove any unnecessary burdens from them about carrying messages and important information back and forth. They are not your personal assistants.
6: Let your kids take their clothes and possessions between their home
Please, please don't make them get changed into 'transit' clothes nor make them leave all their favourite toys behind.
7: Get professional help if you need it
Parenting when separated is a complicated task. But it is possible to do it well by sticking to simple guidelines. One in four children become unwell with a formal mental health diagnosis if they have to live between parents who are locked in acrimony. Sustained conflict at separation, or within a relationship, hurts children, a lot.
Cooperative co parenting, despite separation, will support your children's resilience. Help is available - and getting the parental relationship right for your kids is one of the most important things you will ever do for them.
For more information and a free programme parents can go to the Ministry of Justice website.