How Do I Know if I'm Going Too Hard?

Just because something feels hard doesn't make it effective. You should leave your workout feeling energized, like you have just so much vitality and feeling amazing. If you do a little bit of soreness the day after, lots of soreness, is feel sore to the touch, or that lasts for a day or two days, that means you probably went too hard. Your fitness level and your life sfall determines what over training can be done.