Is it normal to check people out in a relationship?
Mostly.Normal for most people
Yes, it’s normal to notice or find other people attractive while you’re in a relationship. What counts as okay depends on your boundaries and how respectfully you handle it.
Being in a relationship doesn’t switch off your ability to notice attractive people. A quick glance or private thought is different from openly staring, making someone uncomfortable, or treating your partner like they don’t matter.
People have different boundaries around this, so if it’s bothering you or causing arguments, talk about what feels respectful to both of you. The key is less whether you ever notice someone and more how you act about it.