As soon as they refuse repayment. It is gift. And you don't have to worry about it
Wait you're not supposed to sneak it into their pocket/bag?
Depends on the culture. With the Chinese it's all about insisting, or being a sneaky bastard so they can't refuse.
Steven He summarises the feeling well: https://m.youtube.com/watch?v=zoHztpjPFEE
Humor, jokes, memes about TTRPGs
As soon as they refuse repayment. It is gift. And you don't have to worry about it
Wait you're not supposed to sneak it into their pocket/bag?
Depends on the culture. With the Chinese it's all about insisting, or being a sneaky bastard so they can't refuse.
Steven He summarises the feeling well: https://m.youtube.com/watch?v=zoHztpjPFEE