You should let her be...

"Sorry for scaring you" Tom apologized when he saw Lisa jump. 

"You're leaving now?" He asked her.

"Uhm.. ye... yes" She stammered, not able to meet his eyes. 

"Are you going to come back here?" He asked in a hopeful tone. 

"I... am not.." 

"Please promise me.. promise me you're going to come back here." He said while looking intently into her eyes. He didn't know where she was going to and he was sure she wouldn't tell him the truth if he asked, but he at least wanted her to come back. 

"I'm sorry I can't promise you that. The business between us already ended and I am—" Before she could complete her sentence, he shut her up with a kiss. 

Lisa's eyes widened. She had not expected it. She stood there like a statue with wide eyes as she stared at his face. 

The kiss had been to shut her up so he quickly pulled away before it escalated to something else.  He looked into her eyes and said in a low voice,