Dear P,I am the king of salary increases (really - its my main skill in life!) As you have been left with two kids to look after, I'm happy to offer any advice that might help.Number one - your leverage is actually very little at the moment because much of it is based on your personal circumstances (moral high ground but not your companies responsibility) and your involvement in setting up new deals that are now signed (too late to influence)I suggest you radically need to improve your leverage in this way.1) Identify who in your management structure is capable of approving a salary increase.2) send out a courtesy e-mail to your boss (if that is the person), or to your boss, the salary person, and a few other managers that you work with (if your boss is not the salary person). Give them a "heads up" on your personal situation, pointing out that it is a bit embarrassing and you would rather not let everyone know, but as you obviously have some work to do to keep your children emotionally stable and looked after, you hope that will not make any negative imnpact on your performance, timekeeping etc.. DO NOT MENTION MONEY AT THIS POINT.3) Start on the project where you are a key person and make yourself as key as possible, even if that means taking on more than you normally would.4) Interview for a more junior job in your very local area, where the salary is lower than your currently earn. Go to the interview and ideally get an offer.5) Be a few hours late to work one day. Preferably missing a semi-important meeting (but not a really big one!). 6) Search out your manager and apologise for the lateness. Tell them you had a problem with child care because you're currently relying on friends and family and other non-relaible sources of help. "Come clean" that things are so bad that you're looking at taking a LESS well paid job, just because it is more local/less time at work/etc. Tell them its not what you want, but as you assume there is no chance of any extra cash to cover child care costs, it something you're having to consider.7) Any decent manager at any decent company will look at what can be done to help you out. Treat this as an opening. Suggest that the only other things that would work would be if you could work from home more (which I presume would also help you), or could be sure of some extra cash to pay for proper child care.8) Wait for them to bite - they will if you are as key as you think you are.FYI- I hope you are aware that child care fees are tax deductable as long as they are paid by your employer through a child care voucher scheme. You can claim up to £55 a week in this manner, so BB would not even need to pay employers NI or tax on the first £2500 of the raise as long as you do pay it into child care. All large companies already have these vouchers schemes in place.I know this all sounds really sneaky, but frankly you come across as a nice guy who's good at his job and maybe needs to be temporarily more demanding from his employer.I am of course completely ignoring the question "do you want her back", cos that woud probably be best achieved by detaching yourself from work and not focussing on salary at all. I have no advice whatseover to give on that!!!!Good luck.