Yes, it is indeed more difficult than imagined when you have to deal with a team where the team has a good record when they have met several times. Inter Milan have to realize that this is a problem they have to anticipate. Strategy will probably determine the outcome of Inter Milan will they be able to break the difficulty or even they record a less good record again.
I don't know why some people are worried about Inter against Lazio tomorrow. I don't find any reason for that because I don't think Lazio are better than Inter at the moment. Inter won their last 2 matches, while Lazio only won 1 and drew 1 time.
Inter will be favorites to win the match at away tomorrow because without underestimating Lazio then Inter I think deserve to continue the positive trend with a win. Good performance and good goal productivity makes me think Inter deserve to be favourites, so without a doubt I think Inter will win tomorrow.
I think the results of the two teams' matches in their matches cannot be a benchmark that Inter Milan will really win the game. Moreover, Lazio often put Inter Milan in difficult situations when facing them.
Indeed I agree that Inter Milan is better than Lazio, but once again Lazio's chance to steal points is still open.