Question

what is a good way to support a friend struggling with emotional problems?
remind them not to overreact and just be happy.
ignore their problems and give them space to deal with them on their own.
encourage them to talk about their feelings and seek help.
make a promise not to tell anyone about their feelings.

Explanation:

Encouraging a friend to talk about feelings and seek help is a positive - approach. Telling them not to overreact is dismissive. Ignoring their problems is unhelpful. Promising not to tell anyone might prevent getting proper help if needed.

Answer:

Encourage them to talk about their feelings and seek help.