Celebrities attend the memorial service of Peter Cook

The transcript covers various topics, starting with the feeling of missing someone even when they are present. It then transitions to a service request and gratitude expression. Kenny Everett is mentioned in the context of donations, followed by a discussion on coolness and skills.

What does the speaker imply by saying 'I'll try and fathom that by now'?

What can be inferred about the relationship between the speaker and the 'guys' mentioned?