Sleevish

Sleevish: adjective. Describing someone, who wears their heart on their sleeve. The word was coined by three years ago by a lonely introvert sitting in a park at dusk, thinking that his sleevishness was the reason for his loneliness, as his overeagerness combined with the need to withdraw after prolonged social exposure tended to confuse people rather than bring them closer. Interestingly enough, he was right.