Yes, a Twin Flame can fall in love romantically with someone else but the bond is not as deep as when with you their divine partner.
Some Twin Flame runners first disappear and get into other messy relationships but it is for learning for love lessons.
If you have tried to date others after your Twin Flame encounter, it is challenging not to think of your Twin Flame. You realize that there is no deeper bond than the Twin Flame love.
I decided to not date anyone because my Twin Flame took over my soul. I feel as if there is nothing more to offer to anyone else — I would be lying if I did.
I have also loved before but nothing compares to how I feel for my Twin Flame.
Thanks for this question.