A healthy friendship leaves room for separate lives.
STILLNESS
STILLNESS
Closeness that requires exclusivity is a heavier arrangement than it looks. If a friend needs to be told about the other dinner, the other trip, the other friendship, then the relationship has quietly acquired terms. Two people can be genuinely close and still have large areas of life the other has nothing to do with. That separateness is part of what keeps the friendship enjoyable rather than obligatory.
Notice whether you feel you have to justify time spent elsewhere. If you do, say plainly and warmly that you want both. Room granted freely tends to be repaid with loyalty rather than distance.
Which friendship lets you be busy without any guilt?
Free, with nothing to buy inside it.