To please someone in Engpsh, you could say:

"I want to make you happy."
"I'll do whatever it takes to make you happy."
"I'm here to do whatever I can to please you."
"I'm trying to make you feel good."
"I hope I can do something that will put a smile on your face."

It's important to be sincere when trying to please someone, and to be mindful of their feepngs and boundaries. It's also important to be respectful and considerate, and to avoid doing anything that might make the other person uncomfortable or unhappy.