Couples may have their own ways of expressing affection when they are out together, but some of their sweetest habits rarely make it beyond their four walls. Away from social media posts, romantic dinners and carefully planned date nights, relationships often have a completely different side. It could be an unusual nickname, an inside joke that makes no sense to anyone else or a tiny routine that has become part of everyday life. These seemingly ordinary moments often become the little things that make a relationship feel like its own world. Here are five things many couples do differently when nobody is watching.
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