1. Daven. Daven for the other person and daven that Hashem grant you personal strength.
2. Do not go through this alone. Have a friend or a mentor who will lend an ear to you. Allowing you to let off some steam. It is difficult when a close friend or relative is going through this.
3. Do not beat yourself up. Do not live in the past. Do not think this is due to you.
4. Try to avoid confrontations with the friend or relative going through the struggle.
Case: Person walks into house in middle of Fri. Night seuda
Don’t: You’re late or Where’ve you been?
Do: Can I make kiddush for you? Care for some soup?
5. You still love the person, you just disagree with their current choice. Make sure you know the difference and make sure you convey that difference to them.
6. There will be situations where you make the wrong choice, and there will be times when all you options will be the “wrong” choice. Don’t let it get you down
7. There are other people who are in your shoes and there are people out there who can help you in this YOUR time of need. Utilize them
8. Don’t forget about yourself