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