Opportunistic infections (OIs) are infections that occur more frequently and are more severe in individuals with weakened immune systems, including people with HIV.
Being nostalgic means to miss the past time. It seems that a real life was in the past because now in the present is different, probably things changed and we know that never is going to be the same. It leads to a nostalgic feeling.
What does it mean when someone talks and immediatly looks down? That they feel insecure or are lying about something. Also if the person has feelings for them (love), this can also make them feel uncomfortable. Another thing, when people lâ¦ook down they are guilty of something and cannot face it.