Diaper discipline should enhance your relationship and sex life but what this means varies by couple.
With the power dynamic in your favour you can ask to be pleasured whenever you want. Vibrators work amazingly through diapers but taking off your partners diaper for conventional sex is also completely acceptable. Just make sure to get them back into their diaper afterwards.
Some modern abdl diapers even have velcro tapes allowing a wet diaper to be removed and then reapplied a short while later. This can help save unnecessary diaper usage.
Some couples like to use DD as an entrance into chastity as well, most prominently women with their boyfriends in diapers. A chastity cage fits perfectly under the diaper which combined with thick padding ensures they won’t ever be able to climax without your permission. Couples report that this leads to more loving behaviour and when removed, the most incredible sex.