Maybe he's just not able to get to a computer? On a stakeout or working undercover...(you know, like to uncover sisterly romance scams)...
Darn, I was looking forward to the episode where you revealed your sisters behind the scenes plotting and you both had a good laugh and found out that you have so much in common.
OMG!!! Wouldn't that be perfect!? I could just give yall the username & password and then say in my profile " So, in conclusion, if you're interested, be advised that anyone contacting 'me' will be interviewed by a cross section of garden and sarcasm enthusiasts from across the country. If you pass their scrutiny, you will be entered to win a coffee date at the local Dunkin Donuts. Good Luck and may the fates be ever in your favor."