“Don't feel obligated to come if you're too busy.” - Daily English Phrases

You're having a party next weekend. You want to invite one of your friends, who's a very busy person. You don't want to make her feel pressured, so you say:

Don't feel obligated to come if you're too busy.

feel obligated to (do something)

"Feeling obligated" to do something means that you feel like you have to do it. People usually feel obligated to do things for social reasons, like because a friend or neighbor asked them to do it. For example:

I feel obligated to help because, you know, he helped us out a couple of months ago.

I don't really want to go, but I feel kind of obligated.

Don't feel obligated to (do something)

This is an expression that you can use when you're afraid that it will seem like you're pressuring someone too much to do something. In the example above, the speaker is worried that his invitation will make the friend feel that she has to come. He doesn't want to cause stress for her, so he says "Don't feel obligated..."

come (to an event)

When do you use "come" and when do you use "go" to talk about attending an event? Here are some guidelines:

• Use "come" to talk about an event that you're having at your house or office, or that you're organizing.

  I'm having a party. Do you want to come?

• Use "go" for an event that you're not going to attend.

  I'm not going.

• Use "go" for something that you're planning to go to, but use "come" to talk about the listener joining you:

  I'm going to this Halloween party. Do you want to come?

via phrasemix.com