Your friend if he has 2 kids will be waving goodbye to 75% of everything he has ever earned.
IF he gets any more than 25% that will be a very pleasant surprise.
The harder he fights for the unobtainable 50% the greater his solicitor costs will get.
Hope this helps your friend.
All the best
It is a good idea to understand the process and have a realistic position on what a settlement will look like. Financial settlement will be based on the parties' respective needs and the means they have between them to meet them. Why not suggest your friend looks at the site and maybe joins himself so he can get support.