A once in a lifetime experience, preferably in person, and still successful if needs to be over skype. Make sure to wear comfortable clothing and not to be too tired so you have had adequate rest the night before. Make sure you do not eat a big meal before meditating and also to be completely sober and not altered from any drugs. If you are on medications such as Adderall, please advise me in advance. Be how you normally are, on average. If you have had a stressful day, that is no problem at all.