Craving

Wanting is the pull towards a reward; liking is the pleasure when it arrives. Animal research shows they are handled by different brain systems: rats without dopamine stopped seeking food but still enjoyed sweet tastes. So people can want strongly what they barely enjoy, which helps explain habits and addictions that outlast their pleasure.

What the report found

1. Wanting and liking can be separated. Rats with almost all their dopamine removed stopped seeking food, yet still showed normal signs of enjoying sweet tastes.
2. The brain learns from surprise. Dopamine cells fired to unexpected rewards, then shifted to the cues that predicted them, and dipped when an expected reward did not arrive.
3. Anticipation is often the peak. Brain activity linked to reward rose while people waited for money, not when they received it. Many people would rather wait to savour a treat than have it now.
4. Desire is constant. In a week of random check-ins, adults reported a desire about half the time, most often for food, sleep and drink.
5. Wanting can outrun liking. Repeated use can make cues pull harder without making the reward more enjoyable, which helps explain addiction. How far this applies to everyday products is debated.

What is inside

1. Where craving comes from
2. Wanting is not liking
3. Craving in daily life
4. When wanting runs ahead
5. Using craving well

Plus a map of where craving shapes everyday life, a wanting and liking matrix and a graded list of claims.

Who it is for

For product designers, marketers, food and retail businesses, public health teams and anyone who keeps reaching for something they no longer enjoy.

How we work

Human Forces reports explain one deep human need and the many effects that grow from it. Every claim is graded Established, Emerging or Untested. Where researchers disagree, as they do on whether wanting and liking really split in people, both sides are set out before we say where we stand.

Cite this report

The Why We Project (2026) Craving: Wanting is not liking. Human Forces No. 09. Dubai: Why We Tech Ltd. Available at: thewhyweproject.com