Action speaks louder than words, so it's said, but words speak deeper than actions. Sometimes, actions aren't needed, only words. By the way, expressing those words is also part of action, so they work together.
Many people went through depression but didn't recover, thank goodness your sister did and is living her best life now. I also !LUV that you can now show each other affection through words, not only actions.
Happy Sunday and do have a great month! !BBH