A trouble shared is a trouble halved
Definition 1 of 1
Pro Tip 1/3Emotional Relief
The proverb implies sharing your problems can make you feel better emotionally. 
After sharing my fears about the exam, I felt more relaxed; truly, a trouble shared is a trouble halved.
Pro Tip 2/3Encourages Talking
It suggests that discussing issues with others is beneficial and encourages communication. 
He seemed much happier after our chat - a trouble shared is a trouble halved.
Pro Tip 3/3Not Literal
The proverb is metaphorical, meaning the problem isn't physically reduced but feels lesser. 
She confided in me about her job loss; it didn't fix it but a trouble shared is a trouble halved.