Feeling bad about a choice means your standards are still working.

The discomfort is evidence, not a defect. If you could do the thing and feel nothing, that would be the worse position, because the internal signal that tells you when you have crossed your own line would be gone. Feeling it means the line is still there and still yours. That is worth something, even while it is unpleasant.

Let the feeling deliver its message and then let it go. Ask what standard it is defending and what a repair would look like. Guilt is useful as a messenger and terrible as a tenant.