User blog comment:Power565/How many planes are there/@comment-25100062-20150121093432/@comment-24460609-20150121161101

@eins. they don't always stay for awhile. some cross instantly. some stick around for awhile to see if their loved ones will be ok and try to help with grief if they can. others just like it here. though if they fail to cross completely they'll become a ghoul.