It's not okay to stalk somebody else.
Yoshi met a new girl at his high school and has developed a crush on her.
Yoshi wants to let the girl know that he likes her.
Yoshi buys some flowers and gives them to the girl telling her that he likes her.
Yoshi starts following the girl around town constantly trailing behind just at the edge of her vision.
The girl is flattered and asks if he wants to date her.
The girl is creeped out by Yoshi and eventually tells him to stay away from her, or she will call the police.