My dog is usually such a daddy's girl and up my husbands butt all day, every day! She rarely wants…

My dog is usually such a daddy's girl and up my husbands butt all day, every day! She rarely wants anything to do with me unless it's to feed her dinner or take her outside. But this evening she's been attached to me and trying to lick my feet/legs and hands NON STOP! My husband was like "maybe she senses something?" so now I'm like uh oh lol!