A penchant?

Or a penchant for medicine.

Has a penchant for, uh,

He has a penchant for loose women.

You have a penchant for "spooky" evidence.

Azra has quite a penchant for Hawaii.

Has a penchant for French restaurants

She has a penchant for manipulation;

My friend has a bit ofa penchant for the dramatic.

Your son has always had... ...a penchant for secrecy.