Making new couples uncomfortable on double dates by bringing up topics that they're not even close to tackling yet — marriage, kids, and those sorts of subjects.
Choosing Netflix and PJs over romantic date nights more often than not.
Being way more open about wants and needs. Instead of saying "I don't want anything" for your birthday, you're totally cool sending links and gift ideas.
Learning the difference between proximity and quality time — visiting a new restaurant and seeing a movie is much different than doing laundry together after work.