Just joined - got a query

Greetings everyone! The Princess and I have just begun our journey down this path, and so far we are as content with the arrangement as possible. However, we do have a query. HER penis measures roughly 5” in length and 1.5” in width when flaccid. Right now, I am secured inside an old-school Curve device fitted with a 2” hinged ring. Here is the issue: each night, HER penis undergoes nocturnal erections that are quite painful, enough to rouse me from sleep. This means I have to wake up and ask the Princess for release, which She kindly grants. But She isn’t thrilled about being woken at 5 AM! Meanwhile, I’m not exactly delighted with being let out. I suspect part of the trouble is due to the base ring size; using standard measurement techniques, it appears to be about 1/4” too small. This essentially functions like a cockring, stopping blood from draining away from HER penis. Has anyone else dealt with this problem? Do you have any suggestions or thoughts? Thanks ahead of time.