The molecules on the outer edge of “you”, say the ones on the edge of the cell membranes of the cells that are on the outer edge of your eye, are just as enmeshed, electron-swapping-wise, with the molecules in the air around you as they are with the molecules further back in the cell wall. In other words, it is scientifically impossible to say where “you” end and “your environment” begins – from this perspective, it all seems to be one interconnected whole.
One core teaching of classic Buddhism is “the Brahma Viharas”. The first on the list is “metta” or “maitri”, which translates as “loving kindness”. The second is karuna, compassion. The third is “mudita”, sympathetic joy. The final one is “Upekka”, equanimity, an evenness of emotionality.
I have found that instead by far the best way to set a date, for groups of say six or smaller, is for the person with the tightest schedule to send out a comprehensive list of all the dates that they are available during the possible time span, someone else in the group to edit that list down to just the dates that they are also free and reposts, and so on, until, when the last person posts, and you are left with a comprehensive winnowed-down list of date that all people are free.