If you say
that someone works
themselves up into a lather
or gets in a lather
about something, you think
that they are getting upset
, or worried
about it when there is no need to do so.
You have spent the past six months working yourself up into a lather over situations
which are really none of your business.
'I'm not going to get into a lather over this defeat,' said the manager.
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers