(Cover) - EN Showbiz - Ryan Gosling and Michelle Williams found it hard to remove the wedding bands they wore in Blue Valentine.

Ryan and Michelle star in the hotly debated drama which charts the evolution of a married couple and famously features some raunchy sex scenes between the pair.

Both stars have been vocal about how close they became while shooting the film, having spent months in each others company living like a genuine couple. Ryan has now even revealed he and his co-star felt uneasy about removing their characters wedding rings, as they felt as though they had almost created a real marriage.

Most movies when youre acting youre trying to block out the lights and the trailers. Here, you had to remind yourself you were making a film, he said. Michelle and I found it hard to take off our wedding bands when it was over. Wed built this castle and then had to tear it down.

The sex scenes between Ryan and Michelle in Blue Valentine initially caused shockwaves, and the movie received an NC-17 rating in the US, before being lowered to an R rating, which Ryan was relieved about. The heartthrob disagreed with the fuss that was made over the love sequences, and argues people mainly got angry because the scenes were so realistic.

The sex felt real it wasnt sexy or a sex scene, and thats why we got into trouble, he told British newspaper The Guardian via Huffington Post. You shouldnt be penalised for doing a good job. (C) Cover Media