Slow siongs: Where to put them in your DJ mix?

This weekend I'll be DJing for the first time in about a year, and while I was preparing for it I realized I never quite figured out the way to integrate slow songs in a party/disco mix. Is it better to work towards a ballad (so to drop the BPM over a few tracks), or just hit the audience with a slow song right between two dance hits?

I guess what I'm asking is: how do you go from 'Dancing Queen' to 'I Will Always Love You'?

Obviously I'm talking about slow songs - Jeez...

at the end, when you *want* people to clear the floor and go the fuck home. at a wedding, you can also do it, at a point about 2/3s into the night when it's gotten so energetic for so long that the floor has gotten less full/empty from sheer exhaustion - the change of pace allows the 50 year couples to get their turn, and all the youngsters get to drunkenly rub their bodily parts together. generally speaking though, i've never heard a slow song dropped in a club environment. ever. if i were to try it i'd probably get "the hook". slow song= "yawn, i'm kinda exhausted and have drank too much, maybe it's time to go home" = less alcohol sales and less people remaining, possibly resulting in a rapidly emptying club = unhappy club manager = no more gigs. best to remain frenetic and pumped to maximum at least till you're familiar with what the audience can handle.

that said, i've heard of clubs/bars where the slow set is part of the evenings expected entertainment. however i've yet to go to one of such a place and see such a phenomenon for myself

if you MUST do it, there are (usually dj produced) tracks out there on the interweb, usually with "1**bpm transition to 8* bpm" somewhere in the title that will drop the beat for you in a crowdpleasing way - probably can find stuff like that on filestube or tjsdjs.com or whatever, not sure if there are actually many (any?) legal places to buy that kind of thing