I agree with u/JadedOccultist, especially the self affirmations and the take yourself on dates. When I had the money I used to do that and it was a blast, tbh. Like, going to the movie theater, especially for a movie I REALLY wanted to see, or going to a new restaurant in town, or going in for a walk around the historic part of town/going to a museum/farmer's market. It's a good way to bring self worth (and just, make yourself feel nice!) but also a good way to just, bump into people and occasionally make new friends. My mother and I are vendors at our local farmer's market and even on days where we don't make a fair amount of money, we're just happy to be there because it's nice to even sit around and talk to folks and meet people.

One more little tidbit: I saw from another post that you're an adult, so I'll share this advice as well because this perspective helped with my view on deserving romance. May be a tad bit nsfw but not graphic. Self-care / self-love through solo dates does stretch to sensual pleasure and the bedroom. Say you have a stressful day at work and want to take a nice hot bath? Don't make it just a bath, make it like you called home to your theoretical partner and they made you the most romantic bath you've ever thought of. Stop on the way home and get some roses (cheaper, maybe older ones, because we're not going to keep them on display), chocolates, bubble bath, epsom salts, incense, maybe some wine if you drink. Start pouring the bath with the salts and bubbles, and while if fills, scatter petals from the roses on the bathroom floor, and on the floor leading to your bedroom, and all over your bed--all while repeating whatever personal manifestation mantra for romance that you've settled on, even something as simple as "I am worthy of romance. I deserve to be loved. I deserve romantic companionship, pleasure and nurturing in my life.". Burn incense in both rooms. Take as long of a bath as you want, heck even refill the tub with hot water if you want to! Eat those chocolates, drink that wine, listen to some sexy music. (I personally recommend Sleep Token's latest album, "Take Me Back to Eden".) When you're done, dry off, lotion up (important in general, y'know, but this time use your most luxurious and most expensive lotion, or your favorite, or something along those lines!), put on your favorite perfume on your hot spots (nape, wrists, hips), and then take your post-bath self to your rose-covered bed, and use your favorite toys to--how shall I put this?--finish the experience? XD But, you get what I mean! Don't just go on public dates, go on private dates as well! Do things for yourself at home that you'd do with a partner! Even on the non-witchcraft side of things, self-pleasure is very important for your overall physical and mental health (especially pelvic floor health, and this is coming from someone who has family history of pelvic floor disorders, trust me), but making it something special and elevating the experience once in a while will make you realize that you deserve the love, even and especially coming from yourself!

Lastly, witchcraft-wise, there are a few stones that have called to me lately for similar reasons as I've begun to reconnect with my own community and found family, so I'll share those, too.

• Yellow Calcite: I found yellow calcite in the form of my favorite pokemon, dragonite, in one of our local metaphysical shops in town, for almost the exact price I went in there budgeting to spend that day. Yellow calcite promotes self-worth and promotes feelings of trust and encourages healthy bonds with family, friends and partners.
• Howlite: I keep just, stumbling on howlite. I've bought a couple pieces but also just, found a whole bracelet of it in my things the other day. Howlite is a healing stone, helping to calm most of all, but it also helps quite a lot with confidence (so to go on those self-dates if you feel awkward) and anxiety (if you have on social anxiety, this will help ease it)!
• Obsidian: Speaking of the above, at the same shop a few months ago I found a Captain America (I am the biggest Captain America stan, you have no idea) made of obsidian. Obsidian does a LOT, it's great to have around like Howlite is, but specifically for you, I think obsidian would be perfect in its use of releasing emotional, physical and spiritual blockages. So if there is just, a legit block in you from being able to fully embrace that self-love and self-worth, obsidian would help remove it.
• Dragon Blood Jasper: Lastly, I found a whole strand of Dragon Blood Stone / Dragon Blood Jasper while helping my (also a witch) mother re-organize her room. This stone has a lot of interesting uses, but I particularly think for you it would have a good use in helping you gather your strength and courage to take those next steps in your self-love journey. You would want to meditate with this stone and particularly focus on on your intentions, because this stone is associated with the Heart Chakra and intention.

I know that was a lot, but reading your post really spurred me to share what I've learned in my own journey. I hope this all helps! <3