Talk to your sibling about their responsibilities and your preferences this will minimize conflict between the two of you.

Respect their privacy by not reading their email and texts. Speak to them respectfully, and disagree with their actions without bashing their character. Share the space by agreeing on how many friends can come over, when other people are allowed in, and what to do when one of you is on the phone.

When you see them upset or stressed, talk to them and try to lighten the mood. [5] X Research source Show empathy and try to understand their point of view. Be cooperative and helpful by occasionally picking up after them, bringing them tissues when they are sick, and turning off the lights when they go to bed.

Instead of bottling pent-up anger, take some deep breaths while you notice how you feel and consider what you would like to change. As often as you can, negotiate, compromise, and look for win-win solutions. [7] X Research source Admit to your part in any conflicts and make commitments to changing your behavior in the future. Make up quickly so problems don’t keep getting worse.