In the first game I think your opponent could have won a piece in the first 15 moves.
Try to figure out where is one homework assignment.
If you give up after looking for how I tell you.
The second game I recommend ...2.Nf6 since if 3.e5 then 3...d5 is good for black.
I also don`t like thy Knight wiggling around move 9 and 10 in the second game.