No lah, in term of hirer and relief relationship, it is just a
working relationship, to be friend or not, is up to individual, for
this, drivers must be clear, otherwise you might end up regretting
about giving so much, yet no return or care for or respect
given.
It is in a taxi trade cirumstance that you, as a hirer needed
and relief at your place and I, coincidentally also want to drive
for that particular time and place you offered, that this
relationship come into place. Otherwise, nobody need to know each
other or care for each other too much, but if you wish to prolong
the friendship after breaking the relationship, no one is going to
stop you, we are all mature drivers