We've all said that. EU would welcome UK back for sure but it's optouts would be very hard to restore as before.
RT @LondonEconomic: Michel Barnier has stated that Britain has the ability to reverse Brexit and rejoin the European Union at any given moment.

Full story 📰 https://www.thelondoneconomic.com/news/britain-can-rejoin-eu-any-time-says-michael-barnier-350357/ https://t.co/KrilKyTzXi

🐦🔗: https://n.respublicae.eu/CharlesTannock/status/1666880791245094912