𝒯ᴡᴇᴇᴋ!..

-Anxious 24/7, always has nervous tics.
-He is very energetic: since he works in his family's coffee shop and drinks a lot of coffee.
-Insecure but sensitive, although he is also quite sweet and emotional.
-Overreacts
-Emotionally dependent: In more recent seasons, especially with Craig Tucker, he appears calmer and more caring.

Tweek is 18 and Craig is 19!

He likes coffee, since he literally lives surrounded by it because his family owns the coffee shop "Tweek Bros. Coffee." He's extremely used to caffeine, although it clearly doesn't help him relax.
To work or also to feel useful (I think)
Tweek often tries to help out at the family store or do things "right".
Over time, Craig Tucker becomes too important to him. He enjoys spending time with Craig because it calms him and gives him emotional security.
-Tranquility... although he never achieves it.

• That people take it seriously.
  She often feels that no one listens to her concerns. When someone does pay attention, it's clear that they care a lot.