You know what's not helpful? When players are the first one to want to leave a game, with no explanation! More seasoned Tenno like to keep missions going longer, and sometimes just having that extra body there is all the help we need. So please let us know when you want to leave so we can work with you rather than just feeling like no one knows how to communicate, and getting stuck in missions alone all time time. (as we all know too well, when this happens in the open worlds, it can often lead to Host Migration Errors as well, so just help your fellow Tenno out and communicate a little)