I have to tell you, I'm not so sure asking is the way to go. Guys are weird. If you straight out ask then they feel like you kind of forced them into something. But if you don't ask them then you run the risk of them never bringing it up.
I have noticed my best rel@tionships the guy never had a problem saying it because he was into me as I was into him. I didn't have to ask. Or as, sneaky as this is, I'd force him into saying it. Bringing up a "blind" date that your friend is forcing you into usually let's the guy bring it up. Then you can look surprised and say "oh, I you never said anything! But it makes me so happy, of course I'll cancel the blind date"
I know honesty is supposed to be the best policy, but I found in the d@ting world a little bit of subterfuge always came in handy.
I'm not attacking you personally, here, as I've seen versions of the above statement many times, both on e-hell and IRL. But I think that games and dishonesty are never, ever, the way to go. I think that the approach mentioned above infantalises men, and devalues women, and I could not disagree with it more. I really think that books like 'The Rules' and even 'He's just not that into you' have a great deal to answer for. The latter book makes more sense than the former, but what annoys me about it is that it implies that men are somehow a special species who cannot communicate without being either cads or loons. Sure, men are sometimes evasive, but so are women.
If Peas wants to see if she's on the same page with this guy, she should ask him. No tricks, no hocus pocus. If you want an honest rel@tionship, it is better to start it on a basis of honesty.
ETA. I do see what you're saying about 'not having to ask' and I do agree that it is pleasanter not to 'have' to ask. But not all men got the memo that they are supposed to make all the running. My bf didn't, we sort of asked each other out, and I was the first to say 'I love you'. Asking puts one in a vulnerable position, sure. But really, truly, there is no rule that says that the man has always to go first, or he's 'just not that into' the woman. That is a vast oversimplifcation.