Just don't feel pressured to get back into things until you're completely ready. After what you've been through you deserve as much time off as you need.
Probably not. Most of them look way too artificial. Also if I had to go on a date then personality and intelligence would also factor in which rules out the vast majority I'm sure.
Probably because hardly anyone does it anymore and so people who only listen to newer stuff aren't used to it. As far as I'm concerned high pitched vocals are the most metal.