（1）Habit formation（形成） is to develop new methods that people get used to without

them.
（2）Healthy habits are often

to develop.
（3）Long-time bad habits can be changed by enough willingness（意志） and a

.
（4）If we want to end a bad habit or develop a healthy one，we need to have a good and

for change.
（5）I'd suggest you

right now.It is never too late to change yourself and make yourself better.