"Just because you moved on, doesn't mean the remorse or grief over the dissolved relationship totally disappears," , matchmaker and dating coach, tells Bustle.
" Everyone deals with a breakup and moves on at their own pace.
In some cases, the "pain" you feel when your ex moves on might not have anything to do with having lingering feelings for them.
"Since you 'got there first' you might have a slight feeling of possession over them," Davis says.
A little emotionally heavy, especially towards the end.