Is it normal to think about other people while in a relationship?
Yes. Being in a relationship doesn’t switch off your ability to notice or think about other people; what matters is how you handle those thoughts and the boundaries you and your partner have agreed on.
Totally normal. You can love your partner and still notice someone attractive, wonder what another person is like, or have an occasional fantasy. Thoughts aren’t the same as wanting to leave your relationship or doing anything behind your partner’s back.
People differ on what feels okay when it comes to flirting, sharing fantasies, or acting on a crush, so the couple’s boundaries matter more than the fact that a thought crossed your mind. If the thoughts are constant or seem to point to something you’re missing, you can use them as a nudge to reflect or have an honest conversation—not as proof that your relationship is doomed.