There sure have been all kinds of major changes in 2019. Truly a year fitting for your large frame. Leave 2020 in my care.

Oh, do not concern yourself over my small size. You know the saying, don't you? The smaller they are, the easier they topple the big. Well, we can talk more when we next meet.

Congratulations on your dawning. A more literal interpretation, given the literal context presented here. Colloquially the phrase is used as a celebration of the new year.