Postcard Trivia Challenge

It's time for another trivia question. I am going to do things a little differently this time. Everyone that answers correctly will get a postcard, and I will not acknowledge what the correct answers are for a day or two, so take your best shot. Here goes:

For each of the following senses, one of us has a decided advantage over the other person. Accurately say which one of us has the more refined sense for each category and win a postcard. We just bought 20 postcard stamps, so I am ready for a lot of winners. Good luck!

hearing
smelling
tasting
seeing