This is called a spontaneous erection - it’s an erection you get when you're not sexually turned-on. But during puberty, it’s common to get random erections that happen for no reason at all, like when you’re in math class or doing something else totally non-sexual. But you start getting erections more often during puberty.Įrections usually happen when you’re sexually excited (AKA horny or turned on). Erections can happen at any point in your life (even when you’re a baby). It may stick straight out, or curve up or down. When you have an erection, your penis gets bigger and harder. An erection is when blood flows into your penis faster than it flows out, and makes the spongy tissue in your penis swell. There are lots of nicknames for erections. What’s an erection? Why does it happen?īoner. Erections, ejaculation (cumming), and wet dreams are normal parts of puberty for anyone with a penis.
