What spacial distance to you maintain between (A) someone you are attracted to, (B) someone you're "just friends" with (C) casual acquaintances?

I was talking to someone about this earlier in the year and then caught myself in a moment yesterday. There's a definite spacial distance I'll keep between myself and another person. I was wondering if that's standard for everyone, if it's a cultural thing, etc. Would love your take on it!

To share:

For me, acquaintances and work colleagues get the same space, which is a smidge further than my natural arm length (slightly less space than in a gym/workout class). This allows me to lean in and pat a shoulder or shake a hand in a cordial way, but they get the message that we're in formal space and others register this as well.

Friends get sorted into two categories: Close friends we tend to stand shoulder-to-shoulder, elbow each other, hug and laugh, etc. It's very hands-on, I guess, so it's not something I do with MOST friends. Then there are general friends who fall into that category where you're friendly and joke around but physical contact is limited to a quick hello/goodbye and the occasional leaning in if you literally can't hear them. There's enough space for about 5 martini glasses between you...

Someone I'm attracted to... it's like a game of magnets. There's space but it quickly vanishes. It's like "close friends" but the movement and space is fully charged so the proximity lingers a little longer. It seems very bold, but can disappear in a moment. So interesting.

Do you guys and gals also have these points of spacial demarcation?

What spacial distance to you maintain between (A) someone you are attracted to, (B) someone you're "just friends" with (C) casual acquaintances?
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