Aspergers question

[Dr Jekyll]

I've come across a few people with mild aspergers lately and noticed many of them turn out to be much older than I first thought. EG some I thought were very early 20s and actually being around 30, one I took to be late 20s turning out to be just over 40.

Of course a lot of people seem young for their age, but there does seem to be a pattern here.

Is this usual with aspergers or just a coincidence?
Does delayed social development such as not asking any girls out till the age of 20 give the impression of immaturity?

They don't seem immature in a bad way, it's just that it's easy to underestimate their ages.

[Dr Jekyll]

Professional experts, certainly for the most part. There might be one or two in the group diagnosed unofficially but certainly no more than that.