My girl reacted on her ex ❤️

Hello fellas, So I have a girlfriend and she had a past relationship for 3 years with a guy, then after one year I met her then it’s has been 6 months together and I found she reacted on facebook post of her ex photos (more the 3 posts)love reaction.and I discuss with her she said “accidentally ” I did it. She said she don’t how it happened.

Tell me guys is this real accidental situation or I’m just traumatising.

Please help me because I’m not Nepali.🙏🏻