If a girl flirts and likes you when she already has been in a relationship for 3 years, would that consider to be cheating?

Anonymous
Obvious signs of flirting:
1. text with smileys and winkies
2. want to meet up
3. hides bf's photos before inviting me to her bedroom
4. strong eye contact, hair toss while staring at you
5. wants to stand really close face to face, leaning in
If a girl flirts and likes you when she already has been in a relationship for 3 years, would that consider to be cheating?
2 Opinion