Are You Different From Most French People?

i was born in the north of paris. I could very easily talk to some of my colleagues in english from time to time, you know. But i don't know if it's a taboo, but it's a bit strange. Most of us are french speakers, so, yes, we would speak french. Sometime would do it, you know, but for a very short time. We all may be judgmental. Can we say that a little bit? And r, even though we are experienced, maybe we may have listened to the others speaking in English and said "Oh, that's funny" or something like that. Or maybe it's more british. It