There is a whole host of things to consider when splitting up , kids or no kids, sometimes finances just don't allow couples to separate , one of you has to leave the matrimonial home & either sofa surf or hope your finances allow you to private rent .
Most couples split on '' good terms for the kids'' until the woman meets a new bloke then the kids become a bargaining tool , my advice is split if its absolutely unbearable & stay single for at least 5 years