I'm not very togh in defending BB, however have some experince ...

look yourself:

http://www.boomplayer.com/en/poker-hands/Boom/5411732_A591DB2C9F

1. opponent has less chips

2. his raise was 2,5 BB - usualy players made this kind of raise with JK, JQ, connectors

3. I try not to give him a chance to go all in, but keep pressure

 

Few hands after lost almost all of my chips to JJ, holding AK suited:

http://www.boomplayer.com/en/poker-hands/Boom/5411905_4C45F27356

what I did wrong? reraise was on a pot amount...

looking forwards for your comments ...