Robert Pattinson and FKA Twigs have sparked break-up rumours yet again when they decided to push their wedding dates. Now the reports have been speculating Kristen Stewart could be the reason behind their decision.

Why have the lovebirds put the wedding on hold? Why is Rob getting cold feet? Is Rob having second thoughts about Twigs? These and many more such questions have been doing the round on the web. But Life&Style (via Hollywood Life) has reported that Rob is hoping for a long engagement and that he still misses the time he spent with Kristen.

"Settling down scares him a bit. He says he's still in love with Twigs, but he's just not in love with the idea of marriage anymore. He's hoping for a very long engagement," a source said.

"Things are going very well and they are both very happy with each other. Don't take this news as a bad thing — they just want to get it right because they only want to do it once. Rob is in no rush. He knows that it is going to happen and he's happy with that. He is fine with the delay because he's happy with their relationship. They spend time apart, but they make sure to see each other often," the source added.

The report further says that this is not the sole reason for the postponement. Apparently, Kristen Stewart is still not completely out of Rob's mind. "Rob told pals that he misses the wild life he had with Kristen. Twigs is her polar opposite, which is part of the reason Rob loves her, but he can't help but miss all the spur-of-the-moment things he used to do with Kristen," a source said.

Well, only Robert Pattinson or FKA Twigs will be able to confirm if Kristen Stewart is the reason behind the wedding dates being pushed.

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