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