True enough. At the end of the day, you're playing against full-time professionals, however limited they are. Their livelihoods are on the line and they will make you work for yours. On top of that, these minor clubs have one advantage against Celtic: if they lose 2-0 nobody is surprised and if they get a draw they're heroes, but Celtic win 3-0 and it's why wasn't it 5-0. You learn to deal with pressure of expectations and living in a goldfish bowl that comes with playing for the Old Firm. As for hitting double digits this season, if he joins on Jan 2nd and is made an if-he's-fit-he-goes-90' starter immediately, he'll get 15 league and 5 Cup games, tops. Double digits means a goal every other game, for a teenager in his debut season. If that happens, he won't be at Celtic for very long.