His conditioning kicks in talk it out -- but something in Ivan's brain stumbles over that particular thing, his mother never talked things out before offering physical comfort in the form of a hug -- and rather than attempt to talk it out, Ivan goes with his gut. Wrapping his arms more securely around the other man, he pulls him close against his chest, tucking his head under his chin and just holds him there. David can escape if he wants to, of course, but Ivan feels as if this is the better option.