The Messenger of Allāh ﷺ said:
“Surely when the man gives his wife a drink of water he is rewarded.”
[رواه أحمد/وحسنه الألباني]
Al-‘Irbādh b. Sāriyah heard the Hadīth and rushed to give his wife a drink of water. Then he informed her of what he heard from the Messenger of Allāh ﷺ.