Yakub Abdulrahim Anodion lucky (upgrade)

I need you advice.
          	
          	I friend of mine is having a baby from his ex girlfriend.  And he don't want is present girlfriend to find out due to him thinking of loosing the girlfriend and also her health issue. 
          	
          	So friends what kind of advice will you give him? Please very important.
          	
          	Thanks
          	King_Yaalu