Answer:
Some bad techniques are pulling and or pushing too hard on your partner.
Explanation:
That can be bad because one of you guys could potentially injure yourselves.
Carbohydrates are in place of simple sugars and complex carbs which either are quick energy or stored energy for performance. Without carbs, the body will shut down because you need sufficient energy to keep going. Carbs are what keeps you moving and functioning.
According to healthline .com it's Coronary Heart Disease
Hope this helps!