treat them mean, keep them keen
A woman will be more interested in a man if he is unkind to her.
VERBS
appear, be, feel, look, seem, sound | remain
ADV
awfully, desperately, especially, extremely, frightfully, mad
She was desperately keen to get the job after hearing about the excellent salary.
more than, particularly, really, terribly, very
My sister is particularly keen on learning Spanish and practices every single day.
not at all, not overly, not too
My parents were not too keen on the idea of me traveling alone after graduation.
fairly, pretty, quite, rather
always
My father was always keen on watching old movies on Sunday afternoons.
obviously
naturally, understandably
He was naturally keen on learning guitar after hearing his favorite musician perform.
PREP
for
The children were really keen for the school trip to the science museum.
on
My brother is really keen on learning to play guitar this year.
PHRASES
as keen as mustard