Many of us think of intimacy as strictly "sexual intimacy", in other words sex. Though sex and romance may come to mind first, but intimacy plays a role in all types of you relationships.
Intimacy is a choice to open yourself up to others and share who you are and your experiences so that you can create lasting, strong connections. When you put yourself out there and have that trust returned, you develop intimacy.
If those efforts are criticized, or you're rejected in some way, you may withdraw. Fears of being dismissed, disregarded, or hurt may lead you to separate yourself from others. Ultimately, this can lead to low self-esteem, which may make you even less likely to venture out to develop relationships or new friendships.
Intimacy falls into several different categories, including: