Five things: Biogen, CVS, Eastern Nazarene, spring training, Rat Day, and more Valentine’s ideas

Good morning, Boston. Pitchers and catchers reported yesterday, so it’s official: Spring is getting closer. Here are the five things you need to know in local business news to start your busy Thursday, and for the procrastinators among us, I’ve got more recommendations for things to do on Valentine’s Day that go beyond a card, flowers or chocolates.Grant Welker reports that Eastern Nazarene College, a small private school in Quincy that’s planning to end operations, has r