100% effort 3 times a week for 2 months compared to 70% effort 5 days a week for the next 12 months will always win.
Doesn't need to be perfect. Needs to get done. If you feel shitty and you're at 50% that day, give what you can.
Get it done.
You won't die.
If you do, you can leave this earth giving it your all ¯\(ツ)/¯ You'd be a legend