Do you know any identical twins? How do you tell them apart?

I work with twins and I feel bad because I can never tell them apart. I only tell because they wear name tags.
Also at first one of them had two nose piercings while the other only had one. But now they both have the same piercings so there goes my only identification factor 💀

Sometimes I have conversations with one of them and then I can never remember who it was thinking back at it. Even if I know who I’m talking to in the moment, I always end up forgetting who it was.
In my mind, memories of them just merge together like they’re one person and I feel like that’s fucked up cause they’re two separate people 😭

Whats funny is I actually went to pre school with them too. They were the first twins I ever met and I recognized them when they started at my job.

I remember In preschool I always knew who was who because one of them had a birth/beauty mark on their forehead but it’s gone now 🤠

Do you know any identical twins? How do you tell them apart?
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