As your friend is in a confused state right now, don't be surprised that the game might end up not playing the way he expected it to play, which is why sometimes it's better not to be following the game up if it's for football. Just watch a few of the matches and leave the rest until the last game has been concluded. I just like going to meet my faith in most cases.
Exactly is better to cashout any little amount you have made than to wait , just to be in a safer side because you can`t tell what will be next outcome if they wait till the end . Because there`s chances of one losing everything after waiting till the end though there`s chances of one cashing out big time after waiting till the end , but most time the chances of winning is lower than that of winning.
There'll be no much fun in greedily waiting for an unpredictable outcome, provided that the cash out is significantly larger than what was wagered, I do not see any mistake in taking out the money. It's tempting to wait, no doubt, but the risk is lesser compared to the dangers of expecting to win the last game.
I personally on several occasions have opened a multi-bet ticket which over time after about 70 to 80 percents of the games on the tickets have played in my favor, the casino offered me a cash out option with a very good amount if compared to the amount my initial bet was, and for almost all the time, I get absolutely confused as to whether to accept the cash out offer or simply wait for the game to end believing I will get the maximum potential win.
Long story short is that, sometimes, I ended accepting the cash out offer only to discover that I would have won the initial potential win amount if I had not taken the cash out, while other times, I refuse the cashout and end up losing the bet because one game failed to play in my favor.
This is possibly why 99.9 percent of winning in gambling is simply based on luck.