With Sunday's win, Hamilton opened up his lead over Vettel to 17-points in the overall standings.
"Obviously we don't want to lose him and I don't think he wants to go anywhere else". But you know what, most of the time, the Spanish GP is.
"There are a lot of challenging races coming up and Monaco is a serious challenge", Hamilton said.
Hamilton started the season with pole position in Melbourne but Ferrari won the first two races.
After three races in which driver and the team have struggled to unlock performance from tyres and auto, Mercedes finally had the platform required at the Circuit de Catalunya.
"We spoke about potential options for next year or even later on this year, spreading the compounds out a little bit, making it a bit more racy". But it's nearly all sorted and we'll pick it up at the right time, ' added the Austrian. There are arguments for both sides, of course, but in principle we would all like to see more overtaking. Silverstone hosted the first grand prix back in 1950, and F1 felt it would be fitting for the Northamptonshire airfield to host next year's landmark race, too, meaning the event would move from its July slot to April. Secondly, we struggled with the tyres. They are Lewis, Valtteri and the Mercedes young drivers. Last season they were off the pace in Monaco, with Hamilton failing to make it out of Q2 and finishing seventh after being unable to work enough heat into his tyres.
North Korea begins dismantling nuclear test site: US analysis
But it remains unclear if Kim would ever fully relinquish the weapons he probably views as his only guarantee of survival. After their April 27 meeting, Kim and Moon issued a vague vow for the "complete" denuclearization of the Korean Peninsula.
With the exception of the seasonopening Melbourne race, the 33-year-old had so far this season appeared ill at ease in his Mercedes, fighting to impose his will on a capricious auto.
"As much as I am overwhelmed by the victory here, my mind is already on Monaco, and I remember it wasn't a pleasant Sunday night a year ago".
And after his stunning Spanish drive, the Englishman added to Sky F1: "If I keep this feeling then I'm going to be racing for a long time".
Vettel won the Monaco race past year, when Ferrari was 1-2 in qualifying and in the GP. The guys have been working so hard back in the factory and here and it's so good to see. However, the Haas of Romain Grosjean spun at Turn 3 and took out the Renault of Nico Hulkenberg and the Toro Rosso of Pierre Gasly.
On to Monaco next, where I've been this weekend driving at the Historic Grand Prix weekend in a Williams that Keke Rosberg won the race in back in 1983.
Then again, Red Bull can also never be discounted around the twisting streets of the Principality.
Valtteri Bottas delivered the result that was expected of him today.