A sentence must and cannot help having a subject.

Though the family was grateful for the money, he could not help having mixed feelings about the sale.

You can't help having the thought, but just keep it in your head, will you?

You can't help having a certain feeling for it.

I can't help having very mixed feelings about it really.

If you ask me whether a teacher has favorites, I say that he cannot help having them.

Maybe it helped having fans who, you know, actually wanted them to win.

I can't help having really horrid images in my mind of what this might mean.

And quite aside from that, it just helped having him there.

Even in real life the courtroom can't help having an element of theatre.