After being shocked for the last 10 days when kissing your wife, you now feel mildly anxious whenever you approach her to give her a kiss. In classical conditioning, your wife was a/an _____ stimulus

After being shocked for the last 10 days when kissing your wife, you now feel mildly anxious whenever you approach her to give her a kiss. In classical conditioning, your wife was a/an _____ stimulus 10 days ago and has now become a/an _____ stimulus.