The Baldwhen Triplets: More on Chris and Todd

As the Baldwhen family help Sabrina and Samantha move Chris and Todd into their house the twins are on their way to the hospital. Where they find out that they need surgery on their backs if they ever expect them to heal properly. the major drawback is the doctor isn't sure they will ever walk again even with the surgery.
Can the girls and their brothers help the guys to accept not only their friendship but their help overcoming their many other fears including that of vehicles?
What will their reactions bee when the girls finally propose to them? Will they accept or will they run?