Excuse my rambling reply.
I'm the wrong side of 50. I believe that regular masturbation / sex can improve prostate health
I find if I want to have a good sex session (cum twice with volume twice in an hour) I need to abstain for about 3 days, although sometimes it may be down to general fitness attitude
If I'm fairly sure that I'm not going to see a provider for a few days or I'm stuck in a hotel I often have a morning and evening wank it makes me more relaxed and help me sleep and deal with idiots at work.
I still find even if I've had a morning wank I can have a massage from a skilled, pretty provider is available I can still comes satisfactorily and especially if oral/reverse oral, anal stimulation is available.