Mercury in the 3rd house

From Astrology In Depth

Your mental and communicative abilities will largely be applied to gaining superior intellectual ability, through education, travel and philosophical debate. An original thinker with much mental agility you excel in speaking, writing and communicating generally. This is a strong placing for Mercury and if mental power is directed to defined objectives then much success can be attained in any chosen direction.[1]

Intellect & Communication (Mercury) by Intellect & Communication (3rd House). You're practically a double-Mercury.