In sentences like these, and ones with 'like' instead of 'love,' as you know, both the gerund and the infinitive can follow.
Okaasan's distinction is a good one. There might be another distinction, too. 'To eat' has a slight feeling of referring to an abstract activity, probably in the future. 'Eating' hints at the activity itself, more in the present and possibly in the past.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .