Craig Levein believes his side have lighter feet and clearer minds following their two wins this past week.
The Jambos picked up their first league win against bitter rivals Hibs before securing passage to the Betfred Cup semis with a penalty win over Aberdeen.
"We've not got the swagger yet, but the feet aren't so heavy and the minds are a bit clearer," the manager told the assembled media ahead of Saturday's game against St Mirren.
"I'm hopeful. The evidence of the last two games tells me they're picking up confidence-wise.
"The next game is always the one that matters. Although the two results recently were pleasing, they become even more important if we can get the next victory."
After two such intense games, the manager admitted his squad could rotate to allow for tiredness - both physically and mentally.
"Playing Wednesday and Saturday is quite tricky and we've got a few tired players. Injuries - we don't have anything to add from what we had the other day.
"Playing two matches like we've played, that have other things attached to them - getting into a semi-final and beating our biggest rivals - those are emotionally difficult to deal with."
Now the Jambo face a St Mirren side in tenth - just a point behind them - and not turning out the team some journalists wrote off in pre-season.
"We need to go to Paisley, which is extremely difficult. We've not won there for quite a while. We need to put on a good show and show the same level of performance that we've shown in the last couple of games.
To watch Craig's press conference in full on HeartsTV, click here.