Above all else, pray for their salvation. Psalm 86:11
No matter the reason they are there, pray they see God in all circumstances. Psalm 119:36
Pray they find joy and strength in all circumstances. Ephesians 3:16
God can use and will use this for His glory. Pray they use it for His glory. Colossians 1:10
Pray your spouse surrounds themselves with people that love the Lord and want the best for them. Proverbs 17:17