Yes, it's okay to have an inverted nipple. For the most part this is just an aesthetic thing, if you chose to breastfeed it may be a problem so you may want to talk to a doctor about surgery to bring the nipple up. Some women also get nipple piercings to help bring the nipple up.
The short answer, men ARE part women, XX and XY chromosomes and all... there is a more complicated answer, but that escapes my mind as of now.
Men don't "have to," but it is weird if he does not because EVERYONE, men & women, have nipples.
No, you must not forget that only Hawaiian men with out penises can have have large breast but no nipples
Your nipples are probably not "sucked in", but simply inverted. Some people's nipples are just naturally this way, and is not harmful or bad in any way. Everyone's breasts and nipples vary wildly, despite what you see in the media. Inverted nipples are not normally an issue for breastfeeding or anything else. Surgery is possible to change the shape and protrusion.
Shaved obvs, hairy nipples look like spiders like bevans
Men and women both have nipples because all embryos start developing with the same basic blueprint, which includes the formation of nipples before sex differentiation occurs. During early fetal development, the structures that will become nipples develop before the influence of sex hormones determines the sex of the fetus. As a result, both sexes retain nipples, even though only women typically have the biological function of breastfeeding.
Nipples come in all sizes; men's nipples also can range from very small to very large.
We don't. They get hard when it's cold or some women get hard nipples when they are aroused. Same reasons some men have it actually.
Yes, there are different types of nipples in men, just like there are in women. Some men may have protruding nipples while others may have inverted nipples. Nipple size, shape, and color can also vary among individuals.
Penis (in men) Clitoris, nipples (in women)
Preferences regarding physical attributes, including inverted nipples, vary widely among men. Some may find them attractive, while others may not have a strong opinion either way. Ultimately, attraction is subjective and influenced by many factors beyond physical appearance, such as personality and emotional connection. It's important to remember that everyone has unique preferences and that confidence and self-acceptance play significant roles in attractiveness.
That women can do as much as men when you set your mind and heart to it