Feelings of peacefulness and contentment with mild euphoria. A few individuals on kava report a slight temporary enhancement of visual acuity. Objects and people take on a sharper look. There's a mild improvement in awareness. I have personally noticed this on many occasions.
Some users notice an enhancement of auditory acuity.
Enhanced mental alertness and concentration. Most users notice being more sociable. Some report a slight opening of the heart, with an increased interest in getting to know other people and being close to them. A sense of harmony could be experienced with others at a party or meeting. Slightly more energy initially, followed by a need to slow down.