It's Science.

Get ready for some serious math here, friends. 

I think I look my age. 30. (PS I hate that thing where your shirt gets caught on your belt.)

Regular Outfit + Glasses = Age Neutral + Tired

Regular Outfit + (Cardigan x No Warmth or Comfort) = Age Neutral

Regular Outfit + (Cardigan x Warmth or Comfort) + Glasses = Age Neutral + Tired

Regular Outfit + (Cardigan x Warmth and Comfort) + Glasses = Age + 8 years

(There is no point having an equation without glasses - if you're wearing clothes for warmth and comfort, you might as well just rock the glasses too.)

Therefore, in this outfit, BOOM, I'm 38.

I wish this were different folks, but you can't fight math.