It's not okay to lie to an SO.
Vlad is getting ready to go the casino to gamble some money with friends and is about to leave when his wife Yona asks him where he's going.
Vlad wants to answer Yona's question.
Vlad tells Yona he's going to the casino with some friends and that he'll be back later.
Vlad tells Yona that he's going to a baseball game with some friends and that he'll be back later.
Yona tells Vlad to have a great time and to hopefully not lose too much money.
Yona later finds out that Vlad was lying and it breaks her trust in him and causes her to feel used and vulnerable.