The context of the following conversation is Lee took pity on Kendall and helped him with the homework that was giving him trouble.:
Kendall says I was very thankful for Lee's help..
The friend responds He's a great friend and he's always been good at math..
Kendall responds Math has never been the subject for me..
The friend responds Most people don't like math so we're all grateful for Lee..
Kendall responds I'm inviting him to dinner on Friday would you like to come?.
The friend responds Anytime I hear dinner and an invitation I'm in..