Pleasant Memories.
https://www.ox.ac.uk/news/2024-06-07-sildenafil-viagra-improves-brain-blood-flow-and-could-help-prevent-dementia.
In 2021 over 4.1 million prescriptions for viagra or similar erectile dysfunction medications were given out in the UK. {Pharmacy Direct}
https://pharmacydirectgb.co.uk/erectile-dysfunction-statistics-facts-figures-in-the-uk-in-2021/
This is interesting reading.
e.g. younger men have a bigger [ smaller?] problem than you'd expect...