You have to examine your psychological states and behaviors around them.
We waste energy through negative emotions. Family members can be particularly adept at provoking one’s negativity. At least that is my experience!
If you feel particularly dirty psychologically, consider cleansing yourself with sage, Conjurations, Invocations, and salt baths (and an accompanying Exorcism of Salt). Sulfur baths are also quite relaxing and rejuvenating too.
However, if you do not meditate upon and eliminate your own egos (that drain your energy), then you will continue to suffer. In this way, family members are a blessing, because they catalyze your psychological work.
Despite this, balance in relationships is key. Learn how: