sometimes it can last all week. especially if you have a weak neck; that can get really sore

its very important to work out your neck because the smaller your neck is the quicker you get knocked out.

sparrying should be real gay like throwing light jabs what good is that gonna do when you compete and you've never been hit hard? the first 20 times is ok, but eventually you have to step it up.

The way sparring should be is both boxers go all out when one lands a solid blow that shakes up the other one instead of chasing him for the kill you stop and let him recover for a minute. and repeat process