When they are together, they simply smile and want to sit close to each other, holding each other's hand, and sneaking a kiss whenever possible.
They smile and talk their language. Brad blushes and vocalizes in a serious tone of voice. Courtney's eyes dance with joy and excitement as she vocalizes back to him.
We try to help her understand it's just a 'guy thing,' (but) when asked if she wanted to call the next day, Courtney touches 'no' on her communication system. But as soon as Brad calls, she is all smiles again.
As soon as they met, their eyes brightened, and they began to smile. Regardless of their physical limitations, they both have a very loving heart and enjoy each other's company.