cuckold

Any tips for the following fetishes which I get a LOT of requests for on Streamate in my shows? I need help with SPH, cuckold, JOI and especially CEI! If you can help with one fetish (or all!) please give me some tips and pointers because as much as I get asked for these things, I feel like I...

Ive been getting alot of requests for this recently. Can someone explain what this actually means and if you could give me a scenario or a link to a video, that would be perfect!