The "Terrible Twos": The Emergence of One's Own Will

Until a few weeks ago, your child was mostly at peace with the world. Now, their favorite word is “no,” the floor of the supermarket becomes a stage, and the wrong cup triggers tears as if something truly terrible had happened.

Welcome to the second year of life. There’s a reason for what you’re experiencing—and it’s a good one: Your child has just discovered that there is such a thing as “I.”

In short

The “terrible twos” begin for most children around their second birthday, sometimes as early as 18 months. At age 2, a child’s sense of self is new and unchecked: they want to make their own decisions but can’t yet manage their frustration. Frequent tantrums are normal at this age.

What’s Happening with Your Child at Age 2

Around their second birthday, two developments converge that would each be challenging on their own. First: Your child recognizes themselves as a separate person with their own desires, which they now want to assert. Second: Their language skills lag behind their experiences. They feel more than they can express.

This gap between what they want to do and what they’re capable of is at the heart of most tantrums at this age. The child wants to zip up their own jacket, but their fingers aren’t strong enough yet. They want to say what’s bothering them, but the words aren’t there. What remains is a feeling of helplessness, which is released physically: screaming, throwing things, throwing themselves on the floor.

In other words: Your two-year-old doesn’t have a behavioral problem. They have a translation problem.

Why the constant “no” is a good sign

A two-year-old’s “no” is rarely a statement of fact. Often, a child says “no” to something they actually want, and then bursts into tears when you take the “no” seriously. This rightly confuses parents.

The reason behind this is that “no” is the simplest way to test out their newfound sense of will. It’s their first tool for self-determination, and your child uses it like any new tool—constantly and everywhere. A child who is allowed to say “no” learns something important for life. They learn that their will matters, even if they don’t always get their way.

What Helps Two-Year-Olds Right Now

At age 2, three things are particularly effective—and none of them involve consistency training.

• Few words in the heat of the moment. A child having a tantrum doesn’t need explanations—they need a calm presence by their side. Talking comes later.
• Real mini-decisions: red or blue shoes, apple or pear. Small choices reduce the pressure in bigger situations.
• Announce transitions: “One more slide, then we’ll go.” Two-year-olds can’t switch gears abruptly.
• Offer physical closeness, but don’t force it. Some children want to be held during a tantrum; others only afterward.

What You Owe Yourself

A two-year-old in the autonomy phase can create twenty conflicts a day. That wears out even the most stable parents. If you’re sitting on the sofa in the evening and feel nothing but emptiness, it’s not because you’re too weak. It’s because this phase objectively demands a lot.

Plan your own rest as seriously as you plan your child’s nap. And lower your expectations: A day when everyone is fed, reasonably clean, and still alive is a good day during this phase.

Frequently Asked Questions

Is the “terrible twos” phase normal at age 2?

Yes. Most children enter the autonomy phase between 18 months and 2.5 years of age. An early start doesn’t mean anything negative—some children simply discover their will earlier.

How long do tantrums typically last in two-year-olds?

A few minutes to about a quarter of an hour is typical. More important than the duration is that your child can be calmed down afterward and is well-adjusted between tantrums.

Should I ignore a tantrum?

Ignoring them—in the sense of leaving them alone—rarely helps, because the child isn’t yet able to calm themselves down. What has proven effective is: staying nearby, remaining calm, speaking minimally, and offering comfort after the storm has passed.

What Helps Now

At age 2, your child’s will is fully formed, but no one has taught them how to navigate it yet. That’s your task for the next few years, and it won’t be achieved through strictness, but through calmness and repetition. You don’t have to be perfect every day. Just being present is enough.

Read more and learn more

• The Autonomy Phase: An Overview—What’s Behind This Entire Phase, from 1 to 6.
• The “Defiant Phase” at Age 3: Why Things Are Just Getting Started—The next stage, in case you want to look ahead.
• Dealing with Tantrums—Practical Help for the Moment It Happens.
• Free e-book for exhausted parents—When this phase is taking a bigger toll on you than you’d like to admit.