This could also come under a warning: you really don’t want to represent yourself, i.e., proceed pro se, in a lawsuit — if you can possibly help it:
Pro Se Wife Denied Motion to Upset Custody Agreement
Andrew Keshner, New York Law Journal
A woman who had second thoughts three days after representing herself in a divorce settlement that gave her husband legal and residential custody of their children could not convince a judge to disturb the pact.