I say nothing more than "soft spot".
Putting it in homely language, political warfare ought to go for the soft spot of the enemy, and that is not being done by our propaganda today.
That touches a very soft spot in my heart.
Everyone has a soft spot for them.
We all have a soft spot for them.
I have a very soft spot for one of the harbours.
In their consistent search for world revolution, they always go for the soft spot.
He obviously has a soft spot for people, although that is not apparent from his political image.