How do You Know

  1st time                               
E|------------------------------------------------| 
B|------------------------------------8-----------| 
G|--7h9p7\5-------7/9--9\7--7-7-5-7b8---8r7-------| 
D|------------7-----------------------------------| 
A|------------------------------------------------| 
E|------------------------------------------------| 

Continues after the ad
  2nd time
E|---------------------------------------------------| 
B|------------------------------------8-----8--8/10--| 
G|--7h9p7\5-------7/9--9\7--7-7-5-7b8---8r7----------| 
D|------------7--------------------------------------| 
A|---------------------------------------------------| 
E|---------------------------------------------------|