What's the point of your first sentence? >Wanting to keep the money never incentivizes contact. It could in combination with the authors' hypothesis of not wa

What's the point of your first sentence? >Wanting to keep the money never incentivizes contact. It could in combination with the authors' hypothesis of not wanting to view oneself as a thief. Under that condition, the likely behaviour is to simply let the wallet sit in a lost-and-found drawer. Writing the email starts the clock on a license to take it while giving yourself a rationalization.