Are you selling a vitamin or a painkiller?

Which conversation would you rather have? Initial exchange with a friend: “Would you try my new product/service/idea?” Response: “Of course, it’s great!  I love it!” 2 Weeks later. Asking the friend again: “Are you still using my new product/service/idea” Response: “Yeah, it’s great!  I love it!  I can’t imagine living life without it” OR Response:…