actually i go see a doctor 
okok, jokes aside..
i think its good to go with expectancy. those people who went to
Jesus for healing, didn't go with the heart that says "erm, i'll
take whatever he gives me"
they went with the expectancy, to the point its a desperate demand
to be healed.
the woman who was bleeding, broke the commandment to stay away from
everyone, just to grab the cloak of Jesus to get healing.
the leper appeared to a crowd, also breaking the law, where Jesus
finished preaching to ask for healing
the 4 friends of the crippled dude, tore off a roof to cute queue
for their crippled friend to get healed.
the crowds who followed Jesus until he bo bian, got to continue
healing them even though he was exhausted.
these acts were not from half hearted desires. these people were
desperate enough to do whatever it takes to catch the Healer's
attention. and they're not going to leave without the
healing.
and these actions speaks of great faith too.