pot calling the kettle black
A situation in which somebody comments on or accuses someone else of a fault which the accuser shares.
I think it's a case of the pot calling the kettle black when she says he is obsessive.
ADJ
electric
VERB + KETTLE
fill | plug in
have on
While you finish your homework, I'll put the kettle on for tea.
put on, switch on
Mom switched the kettle on while we waited for our guests to arrive.
boil
KETTLE + VERB
boil
I'll put the kettle on while you find the teacups.
sing, whistle
The kettle was whistling loudly on the stove, so I quickly turned off the heat.
switch itself off