13 little things that happy couples swear are the key to a great relationship

• INSIDER asked couples to share little things they do that keep their relationships strong.
• Some said that communication and taking time to show appreciation for each other keeps their relationships strong.
• Others said playing rock, paper, scissors to decide who does chores or sleeping with two separate blankets are game changers.

Trust, communication, gratitude, commitment - these are all vital components of happy relationships. But sometimes, the little things are just as important.

INSIDER asked 12 couples to share small things they swear by that keep their relationships strong. Here's what they said. Responses have been condensed and edited for clarity.