How can a girl sit down and when she stand up she have a spot of water behind her back

Question: How can a girl sit down and when she stand up she have a spot of water behind her back
- Keywords:
  girl,
  water
Asked by 563bmay27 to Peter on 7 Jun 2019.
- Peter Macharia answered on 7 Jun 2019:
  
  @563bmay27
  
  I think its normal sweat but its normal for all people. If its a common occurrence, medical advice should be sorted