At first glance - with my idea of stoicism - I thought I might be able to relate... but maybe not - I'm not really apathetic or "seemingly indifferent". Compared to some people - I might appear to be less affected emotionally by events.
Stoic \Sto"ic\, n.
1. A disciple of the philosopher Zeno; one of a Greek sect which held that men should be free from passion, unmoved by joy or grief, and should submit without complaint to unavoidable necessity, by which all things are governed. <1913 Webster>
2. Hence, a person not easily excited; an apathetic person; one who is apparently or professedly indifferent to pleasure or pain. <1913 Webster>
A Stoic of the woods, a man without a tear. --Campbell. <1913 Webster>
School of Stoics. See The Porch, under Porch. <1913 Webster>
Source: The Collaborative International Dictionary of English v.0.44
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Stoic \Sto"ic\, Stoical \Sto"ic*al\, a. que. See Stoic, n.]
1. Of or pertaining to the Stoics; resembling the Stoics or their doctrines.
2. Not affected by passion; manifesting indifference to pleasure or pain. -- Sto"ic*al*ly, adv. -- Sto"ic*al*ness, n.
Source: Webster's Revised Unabridged Dictionary (1913)
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stoic adj
1: seeming unaffected by pleasure or pain; impassive; "stoic courage"; "stoic patience"; "a stoical sufferer"
2: pertaining to Stoicism or its followers
noun
1: a member of the ancient Greek school of philosophy founded by Zeno; "a Stoic achieves happiness by submission to destiny"
2: someone who is seemingly indifferent to emotions
Source: WordNet (r) 1.7
http://www.dictionary.net/stoic