1: Signs of a toxic sibling include constant criticism and manipulation.

2: A toxic sibling may also be overly competitive or dismissive of your feelings.

3: Pay attention to how they make you feel and set boundaries if needed.

4: Toxic siblings may try to control or sabotage your relationships.

5: Look out for patterns of gaslighting or blame-shifting behavior.

6: Seek support from friends or a therapist to cope with toxic sibling dynamics.

7: Remember, it's okay to prioritize your own well-being and distance yourself if necessary.

8: Communication and honesty are key in addressing toxic sibling relationships.

9: Trust your instincts and prioritize your mental health above all else.