anchor.diff:      <%= Rating.where(ratee_id: @event.host.id).average(:rating).to_f %>
       <br />
     <% @event.guests.each do |guest| %>
  -
       <% if Rsvp.find_by(event_id: @event.id, guest_id: guest.id, confirmed: true) %>
           <br />
           <%= link_to image_tag(guest.gravatar_url(size: 30)), user_path(guest.id) %>
  
positive.code:   <% end %>
  <h2>Add a private comment:</h2>
  <%= render 'comments/form2', locals: {is_private: true} %>
  <% end %>
negative.code: <% if user_signed_in?%>
  <p id="notice"><%= notice %></p>
  
  <p>
  