You'll never become a NATIVE English speaker

No matter how hard you try, the years in the UK or Ireland, the effort in your accent, or the AI applications you might use to fake it

There is a language wall, made of accents, cultural references and seemingly illogical phrasal verbs and idioms, that we cannot jump

But IT DOESN'T MATTER.

90% of your interactions are probably with other non-native speakers. As long as you understand each other, you're good.

More on this: https://europeanperspective.news/neither-british-nor-american-how-europeans-speak-their-own-flavour-of-english/