The sentence is mostly clear but contains a grammatical error in "This past weeks has been a lot." It should be "This past week has been a lot" (singular) or "These past weeks have been a lot" (plural).
The overall meaning of the sentence is that it’s acceptable to take some time away from others until you regain a sense of normalcy or well-being. The phrase "this past weeks has been a lot" suggests that the previous week or weeks have been