I think the nurse you spoke to doesn't know what she's talking about
- talk to your doctor only. Penile rehab can and should have begun as soon as the catheter came out. By September you will irreparably lose size and girth. ED meds can begin now, and frequent master bation is essential. This is not the time to "take it easy" - it's the time to work it hard. You should also ask your uro for a pump to be used daily. The idea is that you want to keep the blood flowing.
In this study, those men who started using a vacuum erection device (VED) the day after catheter removal and continuing for 90 days had less size loss compared to men who were non-compliant:
/www.ncbi.nlm.nih.gov/pubmed/17657210For ED meds, starting on-demand use earlier, continuing it longer,at higher doses had the best results:
/www.ncbi.nlm.nih.gov/pmc/articles/PMC3949994/Early use of trimix also was associated with early return of erectile function:
/www.ncbi.nlm.nih.gov/pubmed/16482200