This may seem hard to believe, but I've been to ...
You may not believe this, but I've never been to ...
You won't believe this, but I've just ...
Believe it or not, I've woken up ...
You may not believe me, but I haven't had ... since ...
You won't believe this, but I've worked ...
This may sound unbelievable, but I've ...
You'll never believe this, but I've visited ...
As amazing as it sounds, I've never made ...
You will find this hard to believe, but I've already ...
You'll never believe this, but I've always liked ...
You may not believe this, but I've gone ...
As amazing as it sounds, I haven't seen ... yet.
This may seem hard to believe, but I've taken ...
Would you believe, I've never been able to ...
Believe it or not, I've always been good at ...
This may seem hard to believe, but I've taken part in ...
Believe it or not, I've had ...
Would you believe, I've never had ...
I know it's hard to believe, but I've never ...
You'll find this hard to believe, but I've always been interested in ...
This may seem hard to believe, but I've never liked ...
You may not believe this, but I've ...
You may not believe this, but I've walked ...
This may sound unbelievable, but I've ridden ...
You won't believe this, but I've met ...
I know it's hard to believe, but I've seen ...
You may not believe me, but I've never tried ...