Human: What's the best way to deal with a difficult co-worker? Assistant: 
The best way to deal with a difficult co-worker is to maintain an open and honest communication with them. Try to find common ground, and focus on understanding each other’s perspectives. Ask questions to better understand their point of view, and try to see things from their perspective as well. Show respect for each other’s opinions, and be willing to compromise when necessary. Lastly, don't forget to have fun!