Did you know that every human in this world has about 99.9% of the same DNA? Yet there are more than three million differences between our genome and someone else’s. There are differences in height, weight, skin color, eye color, lip shape, hair color and probably the most massive difference: gender. Boys and girls are two parts of a whole, but why are they so different? The things that each gender deems important are on two opposite ends of the spectrum, and here are some examples of things that girls take seriously that guys don’t:

1. Clothes

Guys can wear a T-shirt and shorts every day and not one guy or girl will say anything about it, but girls hesitate to repeat outfits in the span of two weeks.

2. Their acne

When a girl gets a zit, it’s the end of her world. She either looks up ways to get rid of it, pops it or covers it up with makeup.

3. Their boyfriend talking to another girl

Girls might just be more naturally possessive about their significant other, or maybe they just have trust issues.

4. Their significant other blaming their bad mood on PMS

Let me just tell you: as a girl, this is the biggest pet peeve that any girl can have. Those who don’t experience it do not have a right to make assumptions about it. Period.

5. The way you reply to a text message.

Every single letter, capital or lowercase, matters. She will spend at least two minutes analyzing the smallest detail, so make sure you take as much time writing the message as you would to write a research paper.