Can Jealousy Really Destroy A Relationship, Like It May Have Done For Scarlett & Ryan? Love Sex ~ how to

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Scarlett was reportedly insecure over Ryan's relationship with his The Proposal co-star Sandra Bullock. Did she let her jealousy get the best of her?

Wouldn't you hope that when you finally say 'I do', all relationship insecurity would just melt away? Unfortunately, according to a new report, Scarlett Johansson's inner green-eyed monster actually intensified over the course of her two-year marriage to Ryan Reynolds. In fact, it may even have been the reason behind their split!

A new story says that Scarlett was uncomfortable with her husband's too-close-for-comfort relationship with his The Proposal co-star Sandra Bullock. Besides their typically "touchy-feely" behavior, Ryan was also with Sandra in LA while his wife was hosting SNL in NYC -- not a cool move.

Although the story suggests Ryan may have had deeper feelings for Sandy than he was letting on, if Scarlett DID feel that way she was letting her personal insecurities run rampant. For one, let's not forget that Sandra ALSO went through a difficult divorce this year. If she and Ryan really were as close as they appeared (men and women CAN have platonic, non-sexual relationships, people!) then it would be natural that she might turn to him for consolation, and vice versa.

If he's hanging out with Sandy post-separation announcement in her current hometown of Austin, Texas, it's probably to get away from prying eyes and wagging tongues in the company of a pal who's been there, done that and currently wearing the battle scars.

Jealousy CAN ruin your relationship. If you don't trust a completely trust-worthy partner, then it's your issue, and your burden to deal with. Don't make up scenarios in your head -- or you and your man really will be over before you know it.

Has jealousy ever destroyed one of your relationships, HollywoodLifers? Was it on your end or his? Tell us your story below!