Ok...thank You. I Found So Many Pills In A Combination

ok...thank you. I found so many pills in a combination bin plastic case my fiancée has in his travel bag. Im not a snoop however this man I met on internet is very abusive and quiet. Im scared because when I was in bathroom I found a bottle of pills labeled lithium. also I found peach colored pill labeled E20 and blank on other side oval shaped. can you help me get clarification on this pill? thank you