For example, in PEG solution, the swelling rate decreased significantly at 1 week, then remained stable, and the porosity of semi-degradable hydrogel showed a downward trend. In the first week, it will decrease sharply and then remain the same.
Nowadays, no matter adults, they will be influenced by the impetuous atmosphere of the times. Perhaps in the tide of staying up late, everyone is busy at night, and for the sake of future goals, they will always comfort themselves with various reasons, such as the opportunity is not as good as before, such as being old, or being too comfortable, and always want to pursue a stable state. So how can we maintain a stable state?
Keep a few close friends, but don't need too many friends. If you don't have intimate friends, give up early. In the final analysis, friends who will affect their emotions have no meaning except wasting their time and energy. There must be close friends, but not too many, because one or two is enough.