Trigger the lora with “facial expression”.
Use these to trigger different expressions (add the parts in parentheses to emphasize the effect, they are not required):
pain, (,open mouth) or (,downturned mouth, eyes closed tight)
aroused, open mouth, upper teeth only (,wide open eyes, dilated pupils, orgasm)
scared (,downturned mouth, parted lips, teeth, wide open eyes)
scared, wide open eyes, wide open mouth
kind, smile (,head tilt, soft eyes)
loving (,upturned mouth, wide smile)
sad (,half-closed eyes, downturned mouth, looking down)
crying
crying with mouth open
laughing (,open mouth)
flirting, kissing lips (,lopsided mouth)
surprised, open mouth, wide open eyes
angry (,furrowed brows, downturned mouth)
hateful, furrowed brows, downturned mouth, hate
disgusted, downturned mouth, furrowed brows
excited, open mouth, wide smile, wide open eyes
Experiment with different checkpoints and weights.