SUBREDDIT: r/relationships
TITLE: Friend [32F] set me [23F] up with a blind date[36M]. Personality seems on point, but I'm not really attracted to him. And the age difference kinda scares me.
POST: I haven't said anything to anyone. They gave him my number and we've been texting for a few days, but haven't met. 
  
He's my friend's "brother" (exBIL) and he is very sweet and gentlemanly... but I can't forget about the fact that in the couple of photos I've seen, he's looked bug-eyed. Which isn't bad, just not my personal taste. 

I also can't stop thinking about what my parents would say- especially since while my mom and dad are 51 and 52, my stepdad is only 43... and my mom met him when he was 34 (and married him at 35). 

I have an extremely submissive/can't-hurt-anyones-feelings-even-if-it's-detrimental-to-myself personality and am completely lost on what to do in this situation, so any advice I can get would be lovely. 

Thank you!
TL;DR: 
What should I do about the fact the unattractive but sweet blind date my friend set me up on is older than my stepdad was when my mom married him and that creeps me out? Without hurting anyone's feelings.