Erik thought the best way to get past what had happened was to go on normal as best they could. Oh he still wanted desperately to get his hands on the man that had done this - and to let loose the deeply buried bit of him that had attracted the likes of Vision in the first place. But that he had to leave to the police. Keeping Angela happy and helping her recover - physically and mentally - that was his job.
And he put everything into it.
When the kiss finally broke he rested his forehead against hers.