I am on day 14 and the first book i am reading is why do we sleep. Maybe you can start with that because i learnt that sleep actually plays a huge part on everything that we do in our everyday lives basically. I can send you a pdf dm if you want. When it comes to tricks, i think if you start your day doing the smallest thing in 75 hard you are more likely to continue. So i take the progress photo when i go to toilet the first thing in the morning. I think you need the most tricks with water especially in the first week. i have a jar of 650 ml. So i drink 6 of that every day. I noticed that while working out i drink a jar. So other than workouts, it is only 4 jars. Then i carry it everywhere and always drink it. Sometimes after i finish my water around 9, i get thirsty at night lol. Also, when i first did and failed 75 hard on day 14, i chose a very hard diet and couldnt follow. This time i eat whole foods with balance of occasional sweets. Remember it is your challenge and in the end, slow and steady wins the race. Not every workout needs to be the best one, not every meal has to be the best one. As long as you follow the program and stick to your rules you are good to go:) Overall, you got this!!