Anxiety can do these following things to you:
-Make you feel emotional, depressive, worried, angry, useless and weak.
-Makes your whole body tense.
-Carrys on and gets worse if you don't get help.
-Gives you very low confidence.
-Makes you think too much about things.
-Makes your energy levels go down, making you hungrier easier.
-Makes you frustrated and sometimes gives you tummy aches with so much stress.
-You need to go to the toliet more often.
-Shaking hands, sweaty palms, feeling very sick, sometimes makes you sick.
Etc ...