For myself, I've been playing SE?? for quite a while and I tend to go on "binges" for a month or two then leave it alone for a month or two. When I binge, I'll play at minimum 3 hour episodes at least 4 times a week. But to be honest, I think SEIV is the only game I've played for over a year (except maybe a few games of FreeCell on the work PC
).