Fussy (adjective)

1. Excessively or fastidiously neat or attentive to detail.
2. Hard to please; easily dissatisfied.
3. Excessively or unnecessarily particular or demanding.

Origin:

From the word fuss which means to pay too much attention to minor details or to make unnecessary fuss over something.

Examples:

1. The customer was fussy about his food and sent it back twice.
2. She was fussy about her clothes and always ironed them herself.
3. The designer was fussy about the details of the project.
4. The baby was fussy and cried a lot.
5. He was fussy about his hair and always had it styled.