If it was lust, then it was from both sides. And i dont think hes using her for her body. If Aditya wanted he could have forced Priya anytime, even when she wasnt ready.
As damon_biteme said they both love each other alot. Aditya cares for Priya too. Hes just upset with her for not telling him what is bothering her. He knows theres something, but he cant put his finger on it.
On the one hand he wants her to come to him and tell him whats bothering her. On the other hand he wants to get close to her too, he misses her and vice versa.
Before marriage they shared everything. Priya never hid anything from him. After her confession of ' I Love you' and then we he found out the truth about her past they bacamr more close, emotionally and physically.
It was only post marriage that Priya cant tell him anything. Shes tried to but he hasnt listened and then she was threatened by Brahma and Devyani made her promise not to tell Aditya anything.
So at the moment she has to hide everything from Aditya.
Whenever Adityas had problems they've been able to talk and Priya has been able to console him. Its only with Priyas problems that they cant talk. And they are major problems, which are really eating her up inside. and when it gets too much she blurts out to Aditya that she really wants to talk to him and move out of the house and live on their own. Then she backs down and doesnt tell him anything because of the threats and promises. Thats when Aditya doesnt understand her behaviour.
So at the moment she has to put on a brave face in front of the family and pretend everything is ok between her and Aditya and in front of Aditya she has to show there is nothing upsetting her.
When Imli asked her if everything is ok between them, Priya said almost. She knows even though they slept together they still need to solve their problems and she needs to give him an explanation.
I just hope in the morning they will talk and Aditya doesnt ignore her.
As for Aditya being like his dad Brahma, dont think so. Brahma gets all sweet with Devyani when he wants her. Now thats lust. Even after the party because he wanted his way he tells Devyani he forgives her for her attitude. And when he doesnt get it he goes to Uttara,