In my opinion I have some good habits: I'm always trying to learn new things, I do physical exercises often, I'm consistent and so on. In my opinion I have some good habits: I'm always trying to learn new things, I do physical exercise often, I'm consistent and so on.

This isn't incorrect, but it would be much more common to say "I exercise often" rather than " I do physical exercise often".

In my opinion I have some, some of my good habits: are that I'm always trying to learn new things, I do physical exercises often, and I'm consistent and so on. In my opinion, some of my good habits are that I'm always trying to learn new things, I do physical exercises often, and I'm consistent.

Since you're saying that you have "some" good habits, you don't have to add "and so on" at the end.

In my opinion I have some good habits: I'm always trying to learn new things, I do physical exercises oftenexercise regularly, I'm consistent and so on. In my opinion I have some good habits: I'm always trying to learn new things, I exercise regularly, I'm consistent and so on.

Consistent sounds a bit vague

My bad habits: are that I procrastinate, go to bed late night, and eat sugary foods. My bad habits are that I procrastinate, go to bed late night, and eat sugary foods.

If you're listing things, you should always add "and" before the last item you list.

My bad habits: I procrastinate, go to bed late night, eat, and I eat too much sugary foods. My bad habits: I procrastinate, go to bed late, and I eat too much sugary foods.

My advice is to eat sugariest foods and enjoy them. By which I mean don't try to cut by eating a less sugary alternatives you don't enjoy.

ForI'm sure I have more bad habits, but I don't remember them right now. I'm sure I have more bad habits, but I don't remember them right now.

For sure II definitely have more bad habits, but I docan't remember them right now. I definitely have more bad habits, but I can't remember them right now.

ForI'm sure I have more bad habits, but I don't/can't remember them right now. I'm sure I have more bad habits, but I don't/can't remember them right now.