I believe that this isn’t restricted since bribery isn’t and shouldn’t be taken lightly. As stated in lecture, doctors would receive expensive packages and deals from company employees just so that their products can be favored over others regardless of actual effectiveness. Given that and the amount of abuse these companies and doctors have allowed, not paying for the wife during dinner is not restricted. Robert mentions that paying for someone else’s meal is what should be done when collaborating, however, the wife is not I believe. The doctor is the collaborator, not the wife. Yes, it is courteous but the doctor should be having dinner with the lead engineer or designee. To mitigate, I think just including the main members of the meeting would suffice.