Caroline meets Stefan in the woods instead. They have many other exchanges from then on, but these are three significant moments. They are meant for forever, and she knows she would only choose him.

Tag to 6x15 and after. She has gone away, but he finds her, again and again. She tries to run, but he eventually catches her, because she needs to know exactly how he feels about her, and he won't give up until she hears it all.

It wasn't just the lingering glances, the hand-holding, the finishing-each-others-sentences, the laughs they shared, the time they took to spend together, the flirty one-liners. It wasn't just that. It was the fact that Barry Allen and Caitlin Snow had unknowingly, so naturally, moved on from their past, towards each other.