conscious

 2. ADJ : v-link ADJ of n/-ing, v-link ADJ that

If you are conscious of something, you think about it a lot, especially because you are unhappy about it or because you think it is important.

• I'm very conscious of my weight.   
• =  aware   

... Cobuild

5. Inwardly attentive or sensible; mindful: was increasingly conscious of being watched.

6. Especially aware of or preoccupied with. Often used in combination: a cost-conscious approach to further development; a health-conscious diet.

... Am-Heritage