An erection which is sprung from a deep appreciation and love for something. This kind of erection is not gender specific, and there is no need to call a doctor if said erection lasts for more than 48 hours. When you get an erection from a hug, holding hands, when someone says I love you, or anything in that nature
Sex positivity means that beyond ensuring that you and your partner are fully consensual and safe, sexuality is your oyster. My very own sex positive motto is “Don’t yuck anyone’s yum”. Chances are at some point you’re going to meet someone who’s into something that you think is “icky;” you might have a deeper analysis of why you consider this behaviour wrong (BDSM haters, I’m looking at you!) but regardless, they’ve got a right to get it on in whatever way they like it.