Yellowcloud, as Rhose says, don't lose your hope.
There will be the opportunity to appeal.
Bigmarco faced issues that didn't seem credible and now has won through.
Just look at what the refusal states, then look at the immigration requirements for proving genuine relationship and intention to marry and compare objectively with what was submitted.
It may be that you will be eligible for legal aid.
Just don't panic.
Yellowcloud, what nationality is your fiance(e) ?
How many times have you met? and when was the last time you met?
