I Have A Friend Who Likes ...
HISTORY
ITALY
YOUNG
WEDNESDAY

SHERRY
WHOLE-WHEAT bread
HEAVY
HERE

THESES
METRIC system
But Dislikes ...
PHILOSOPHY
GREECE
OLD
THURSDAY

CHABLIS
RYE bread
LIGHT
THERE

DISSERTATIONS
SUBWAY system

Can you figure out why my friend likes certain words and not others?