It is narrated from Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) said: "Nothing like marriage has been seen for two who love each other."
Hadith Referenceسلسله احاديث صحيحه / الزواج ، والعدل بين الزوجات وتربية الاولاد والعدل بينهم وتحسين اسمائهم / 1446