Difficulty calling up emotions during rituals - will the magick still work?

After a severe transgression by someone close to me and my family, I want to do some baneful magick to set things to rights. My problem is that the situation has been very trying and I'm getting emotionally exhausted. So much so that when a ritual calls for summoning/channeling and sustaining emotion, I find it difficult to do so. Do you HAVE to feel intense emotion for the magick to work? The books I've been working with are Magick Attack and Angels of Wrath, thinking of doing rituals from Demons of Magick as well.

Editing to add this in response to the warnings/pearl clutching: http://sidneyeileen.com/2020/09/01/ethical-baneful-magic-for-all-skill-and-experience-levels/