If you are inspired, ambitious, and motivated, acquiring good habits is easy: follow the advice on this web site, and in my book.
But if you lack inspiration, ambition, and motivation, you are unlikely to make the effort needed to acquire good habits.
What to do?
Talk to people who seem to be inspired, ambitious, and motivated. Find out what drives them. Read about people who have been inspired, ambitious, and motivated and have achieved great things as a result. Seek out people, especially, who are inspired about subjects that leave you bored: maybe they can show you something that will spark your interest. If math is not your thing, for example, find a really good math student, or teacher, and ask: what is it about math that interests and excites you?