I was impressed with the gift, but my sister had a lukewarm reaction.
Unfortunately he had done what my friends and I refer to as "TFTF" – "Too far, too fast".
Tier 1: An individual you consider marriage material and is both physical and mentally attractive.
Tier 2: An individual who you date exclusively and is highly attractive, but you aren't sure or you don't believe you will settle down with this person.
Too much of this will make things too friendly, so I think it must be used at appropriate levels.