I'm sorry to hear the news. Let me show you some examples that my friends did.
1) Meet friends and family members and have a conversations. Topics can be anything.
2) Do something new. For example, new hobby like cooking, exercises, and traveling.
3) Watch video. It's OK to watch something sad or something funny. Sad video can heal you, and funny video can make you laugh. Nowadays, there's Youtube (or Youku)