Examples:

• She promised to stand by him through thick and thin.
• True friends are those who stick with you through thick and thin.
• They remained partners through thick and thin, despite the challenges they faced.
• Marriage means being there for each other through thick and thin.
• The team supported their coach through thick and thin, even when the season was tough.
• He vowed to love her through thick and thin, no matter what happened.
• The company valued employees who stayed through thick and thin.
• Despite financial struggles, they stayed together through thick and thin.
• The dog was loyal to its owner through thick and thin.
• She appreciated friends who were with her through thick and thin.
• The couple celebrated 50 years of being together through thick and thin.
• He knew he could count on his best friend through thick and thin.
• Their bond grew stronger as they supported each other through thick and thin.
• The soldiers were taught to stand by their comrades through thick and thin.
• The business partners had been through thick and thin, and their trust was unshakable.
• Through thick and thin, no matter what happens at my trial.
• Through thick and thin, John stood by you.
• Through thick and thin, for better or worse... you'll always be our partner.
• Through thick and thin we finally broke through the ice and extremely enjoyed the glorious rocking 80`s in Europe, Canada and the USA.
• Through thick and thin, we've been the best of friends.
• You're married now. Through thick and thin, your love will endure.
• Man, that car's been with him through thick and thin.
• She stayed with him through thick and thin.