How can we know if Someone is Sincere Online?

I'm trying to figure this one out.
All men say is women don't trust you!
Ok someone sends an email says this or
that - and how do u know?
I am quite intelligent and it was all a
lie.
Location, profession and all the
love emails proclaming love, expecting
me to believe eg Hong Kong has internet
shutdowns lol That last one got my attention,
So how can you know without getting too
involved and spending time for nothing?
cool: I dont want to become a online detec-
tive rather scared to answer my inbox
today!Ha ha so we just go for it and just be
alert? Huh? Lies are lies...how can one see
between the lines unless the scam begins...oh i must speak to u...this just comes up one minute to the next.. so to avoid this abuse in future, what do u do?
Just wait and see if a financial problem gets
mentioned? Well where.s the finishing line
to trust? Do i have to date my next door neighbour?
Who's got any answers?
We don't know.
Guess I'll take puppies for walk...
whew fresh air