she told me she gonna go on a ride with him and i told her it's okay and she did it, and she sent me pictures of her as she usually do whenever she go to different place or event, we live in two different cities, but we meet a lot and we plan on getting married next year ,i don't know what should i do because i noticed she started << PULLING BACK >> yesterday and replying late to my messages and she seems very cold yesterday after she went with him ?