Is it normal to be sexually attracted to others while in a relationship?
Yes, it’s normal to feel attraction to other people while you’re in a relationship. Having a feeling isn’t the same as acting on it; what matters is how you handle it and what agreements you and your partner have.
Being in a relationship usually doesn’t switch off your ability to notice or desire other people. Plenty of people feel attraction now and then, even when they love their partner and are happy together.
There’s a difference between having a passing feeling and choosing to pursue it. Couples draw their boundaries differently, so it’s worth paying attention to the commitments you’ve made and being honest with yourself about whether your actions fit them.
If the attraction is taking up a lot of space or pointing to something you’re missing in the relationship, that may be worth talking through. But the feeling alone doesn’t mean you’re a bad partner or that your relationship is doomed.