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It’s ok to say Yarhamuk Allah to one who sneezes and didn’t say Alhamdulliah
“The Messenger of Allah (blessings and peace of Allah be upon him) say: “When one of you sneezes and praises Allaah, then say Yarhamuk Allaah to him, but if he does not praise Allaah, then do not say it to him.”.  
Al-Nawawi (may Allah have mercy on him) said: This is a clear instruction to say “Yarhamuk Allah” if the one who sneezes praises Allah, and clearly forbids doing so if he does not praise Him”” [Islam Question & Answer]
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The husband is obliged to spend on his wife’s Hajj
“It is not obligatory for a husband to bear the costs of his wife’s Hajj, even if he is rich. Rather it is mustahabb for him to do so and he will be rewarded for that, but he is not sinning if he does not do that.” [Islam Question & Answer]
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