I add :

If there’s a girl you like, invite her on a date, the worst thing that will happen is the answer is no.

Only if on the question: “Let’s go to the cinema on Friday?” you get the answer: “No,” be sure to ask: “A on Saturday?” and if not again, then “When can you?” for the final clarity of the picture. Suddenly she only goes to her grandmother for her birthday on Friday and will only come back on Sunday.
And then on the methodical test kiss... there is more or less true