50 right here with 2 kid brothers in the late 40's and we're still clocking top 5 amateur times at many tracks.
Here's a trick: We take the young guys to the Pub the night before, put them to sleep and the next day we ride like kings while the kids are walking off their hangovers
Someone has to say it: This is definitely a first world problem. Whatever happened to perspective? I don't have enough time to play with my toys. Cry me a river was right. Sack up, you're a grown ass man with responsibilities!