1
2
3
4
5
6
7
h8
g
f
e
d
c
b
a
7.g3 e5 8.Bg2: the d4 pawn is hanging

After 8.Bg2, you play 8…Bg4 almost every time. The engine wanted 8…Nxd4: count the pieces around d4.

Quick recall: what is your f6 pawn preparing?