I have both but notifications only appear on the <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">period tracker</a>. I want to delete this and keep the <a href="https://play.google.com/store/apps/details?id=com.glow.android.nurture">nurture</a> app. If I go back to the <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">period tracker</a> later will I have to start from scratch or will it keep my previous periods?