Continuity mistake: When Mark is examining Louise, her Barbie changes position several times from shot to shot.
Continuity mistake: Carol sits down at the breakfast table in a normal sitting position, however the next shot shows her with her knee up on the chair, almost up to her chin.
Continuity mistake: Mark is talking to Maggie about getting Louise on the transplant list - he has his arms clasped in front of him with his hands wrapped around his elbows. The shot changes and his right arm is outstretched with his hand on the wall - with no time for the change.
Answer: Take care of your dad.