lantern adorned with paper horses which revolve in a circle / Used in metaphor for various images flashing before one's eyes.

burden, impediment

Same as above

the first sight of something / something seen for the first time

one should start a big project with immediate, practical steps; start small / the person who proposes something should be the first one to take practical steps to implement it

everything

(colloquial) current boyfriend

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all

Kyūjitai form of 身体 (“body”)