Do pelvic floor exercises like Kegels, apply a warm towel, then use it to stretch your D.
Take omega-3, L-arginine or citrulline
supplements.
You can also try this👇
Tongkat Ali (200mg daily)
Panax Ginseng (500mg daily)
Drink black coffee
Stay consistent for at least 30–60 days
Then come back here to thank me
But don't abuse it👍