I understand that MC has a crush and is trying to act kindly and offer something to her, but... Full stop. No, giving to someone else something that was given as a gift specifically for you is unforgivable, insensitive, and even offensive. Low blow here, author.
Unless in the next chapters he goes through some moment of reflection, he has fallen a lot in my regard and it makes it hard for me to root for him in any way here. It makes me want him to get screwed over and suffer a lot to learn how to act like a normal human being.