Robert Pattinson and Kristen Stewart are reportedly "really hoping" that their relationship will work out.
The couple are rumoured to have reconciled recently following Kristen's affair with married director Rupert Sanders.
Although they're back together, Robert is still shielding his heart.
"Rob has agreed to give it another go," a source told the American edition of OK! magazine.
"He's still very cautious, and he and Kristen have signed on for couple's therapy. They're both really hoping that this will all end with happily ever after."
Kristen is said to have already betrayed Robert's trust.
Apparently she has started communicating with Rupert again.
"Kristen is saying all the right things to Rob, but she's not being totally honest with him," the insider revealed.
"Rob made her promise to stop talking to Rupert, and she's broken that promise already. Kristen justifies it because, technically, she's not actually talking to him, so she feels like she's still keeping her word."
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