Yes, you could certainly try it. Just be sure to have your dearest friends alongside you while you try. However... I think Paimon would be happy to work with you.

[At least, she hopes that he'll co-operate with Peter instead of consuming him whole. She assumes it would be easy for the demon to take his host over completely, forever, erasing Peter's identity entirely if he wanted to do so. And that is why she doesn't want Peter to be without trusted friends by his side, if he is to accept the demon and let him grow. Her darkness is a little different than Peter's because she is alone in it. She talks of 'the monster' but there is no other entity buried inside her. It is all her, and she doesn't need to worry about her own personality being erased.]

It seems he will continue to get stronger. And so he must learn to co-exist and work with you. I imagine that he can hear me, and he must understand that.