Sooner or later, someone at home will ask what you have been up to. The huddles, the lessons, the new friends. How you answer that question shapes how your family sees this chapter of your life, so it is worth answering well.
First, lead with what changed in you, not what you joined. Say you have been learning, that you found people who push you to grow, that you are working on something for the family's future. Those are true, and nobody argues with growth.
Second, never recruit at the dinner table. Family who feel sold to stop listening, and the relationship matters more than any opportunity ever will. If they get curious, they will ask, and curiosity you did not force is worth ten invitations.
Last, let time do the talking. Consistency at home, showing up better, calmer, more hopeful, says more than any explanation. When the change is visible, the conversation gets easy.