Chastity and orgasm denial discussion

So many have talked about the idea that the sub becomes more attentive to the keyholder once locked. So what if there is no keyholder? I’m just getting into the chastity world and plan on ordering a cage soon. After the adjustment period, I’m looking into rivets, losing keys, etc, as a way to deny myself. So what happens then? Obviously my attention has to get turned to something else, but what?