Why do I get jealous over a girl even though I don't want to be with her at all?

 The main difference between little and less is that little is used with non-countable nouns, while less is used with countable nouns.

Non-countable nouns are nouns that cannot be counted, such as water, sugar, and happiness. Countable nouns are nouns that can be counted, such as books, apples, and students.

Little is also used to describe a small amount of something, even in abstract terms. For example:

I have little money.

There is little happiness in his life.

I have little experience in this field.

Less is used to compare two or more amounts of something. For example:

I have less money than you.

There is less happiness in his life than there used to be.

I have less experience in this field than you.

Here are some more examples:

I have little water left.

I need less sugar in my coffee.

There is little happiness in the world.

We need less pollution.

I have little experience in translation.

I need less time to finish this task.

I hope this helps!