Is there such thing as eternal love? Well, this is a question that over the centuries has given rise to debates, has fueled the imagination of artists, and inspired novels and poems. But one thing is for sure: love is nothing that science can’t explain, although there are still many aspects of it that have not been revealed.

Lust attraction and attachment apparently have to do with hormones released in our brains that drive us to like and, eventually fall in love with another person. But how long this is going to last, well that’s a completely different story!

In some cases, it lasts forever- or what looks like forever. Below we have compiled the photos of 50 couples whose love has remained unchanged over the years!