pushing from behind / support; assistance

to push from behind / to support; to assist

urge, stimulate, incite

to go forward, to advance, to progress / to improve, to progress

voluntarily; willingly

progress

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

後: back, after, remainder / 跡: remains / 痕: trace, tracks; mark, sign; remains, ruins; scar