Tyson tends to get overwhelmed by having too many options, that aren’t related to a mission he needs to accomplish, and tends to prefer letting others make the choice instead.
Given a thousand options and variables to complete a mission for the web, Tyson will patiently work through them all until he finds the best one; or the one that would please the Moriarty Mirrors the most, whichever the case may be. The same could be said for his days in the army as a strategist.
In those cases, Tyson finds it much easier to make a decision, because it affects more than just himself. He has a responsibility to fulfil, rather than his own needs which Tyson will gladly leave to rot. He’ll make a decision if pressed, if Tyson has to make a choice, but he finds it uncomfortable.
His entire childhood Tyson was groomed to be a perfect heir to the Delaney family legacy. He was expected to follow his father’s footsteps and obey without argument. Then in his one spark of rebellion, Tyson ran away to join the conformity and obedience of the army.
Then Tyson found himself securely under Sebastian’s thumb, before becoming the loyal pet of the Moriarty Mirrors. Independent decisions, not hinging on what someone else wants or needs, are uncomfortable for Tyson to make. He never really learnt how to.
With food, this applies thrice over. He has an appalling low appetite anyway, so when Tyson is presented with too much food, he gets overwhelmed and loses all desire to eat. Especially if it’s a lot of foods with strong smells, then Tyson can end up with sensory overload all too easily.