If the government did not follow their exact orders to counteract thethey would release to the public information about what happened in When he did succumb to Adam's influence it appeared, as with the rest of the team, that dormant or unused parts of his psyche were awakened. However, Ianto met an early demise as part of a mass murder instigated by the ambassador when it spread a deadly virus through Thames House. His sister pointed out that his father had cared about him and had been only trying to bring out the best in him; maybe Ianto should have "held on tighter" instead of buckling. He described to Toshiko Sato his inability to comprehend the adrenaline rush she and the other Torchwood members shared in the face of danger. I'm trying to find your reference but can't weed out the fact from fiction.
He was in love with Lisa and then he was in love with Jack.
When Gwen was succumbing to the effects of retcon Jack had put in her drink, he deleted all the notes she had made about Torchwood from his computer at the Hub. His sister said he "couldn't wait to leave ". As Torchwood Three's "support man", his job entails manning the reception desk in the Information Centre that acts as a cover, administrating the computer systems, serving coffee and tea receiving reports and cleaning up loose ends - such as covering up deaths and destroying information that could trigger "retconned" memories such as we saw in "Everything Changes" Ianto deleted Gwen's work on her computer telling herself to remember Torchwood and Jack. The other Torchwood personnel appeared at this time to have taken the quietly efficient Ianto for granted. The team turned against Jack. Though not precisely one of his duties, he also kept a detailed journal of day-to-day operations. Ianto's devastation over losing Lisa.