I dreamed that my girlfriend and her ex-husband slept in the same bed with a woman in the middle.

A day of attaching importance to theoretical knowledge. Practical and effective, you often attribute it to accident; Only when the theoretical derivation is successful will you think that this is an inevitable truth. With this mentality, you have attached great importance to the theoretical knowledge of textbooks in the past two days! The task given to you by others, or just a simple step-by-step procedure, you must understand its principle before you can finish it with peace of mind!