Basically I stay away from such guys. I help them whenever I
can, but when it's time for me to ask them for help, they'll
somehow disappear.
Some are even better: they mock me. 'Wah lau, so simple also you
don't know how to do! Aiyah, go and figure out for yourself
lah!'
I dunno about you guys, but to me, that's hypocrisy. 
